121143037 has 8 divisors (see below), whose sum is σ = 128369016. Its totient is φ = 113928192.

The previous prime is 121143007. The next prime is 121143049. The reversal of 121143037 is 730341121.

It can be written as a sum of positive squares in 4 ways, for example, as 74753316 + 46389721 = 8646^2 + 6811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121143037 - 2¹⁹ = 120618749 is a prime.

It is a super-3 number, since 3×121143037³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121142999 and 121143017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121143007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32523 + ... + 36055.

It is an arithmetic number, because the mean of its divisors is an integer number (16046127).

Almost surely, 2^121143037 is an apocalyptic number.

121143037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121143037 is a deficient number, since it is larger than the sum of its proper divisors (7225979).

121143037 is a wasteful number, since it uses less digits than its factorization.

121143037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 121143037 is about 11006.4997615046. The cubic root of 121143037 is about 494.8035638617.

Adding to 121143037 its reverse (730341121), we get a palindrome (851484158).

It can be divided in two parts, 12114 and 3037, that added together give a palindrome (15151).

The spelling of 121143037 in words is "one hundred twenty-one million, one hundred forty-three thousand, thirty-seven".