121001131 has 8 divisors (see below), whose sum is σ = 122522400. Its totient is φ = 119486400.

The previous prime is 121001113. The next prime is 121001141. The reversal of 121001131 is 131100121.

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 121001131 - 2⁵ = 121001099 is a prime.

It is a super-2 number, since 2×121001131² = 29282547406558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42975 + ... + 45703.

It is an arithmetic number, because the mean of its divisors is an integer number (15315300).

Almost surely, 2^121001131 is an apocalyptic number.

121001131 is a deficient number, since it is larger than the sum of its proper divisors (1521269).

121001131 is a wasteful number, since it uses less digits than its factorization.

121001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 121001131 is about 11000.0514089708. The cubic root of 121001131 is about 494.6102853738.

Adding to 121001131 its reverse (131100121), we get a palindrome (252101252).

It can be divided in two parts, 12100 and 1131, that added together give a palindrome (13231).

The spelling of 121001131 in words is "one hundred twenty-one million, one thousand, one hundred thirty-one".