121420010 has 8 divisors (see below), whose sum is σ = 218556036. Its totient is φ = 48568000.

The previous prime is 121420009. The next prime is 121420021. The reversal of 121420010 is 10024121.

It can be written as a sum of positive squares in 2 ways, for example, as 117527281 + 3892729 = 10841^2 + 1973^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121419973 and 121420000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6070991 + ... + 6071010.

Almost surely, 2^121420010 is an apocalyptic number.

121420010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121420010 is a deficient number, since it is larger than the sum of its proper divisors (97136026).

121420010 is a wasteful number, since it uses less digits than its factorization.

121420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142008.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 121420010 is about 11019.0748250477. The cubic root of 121420010 is about 495.1803716372.

Adding to 121420010 its reverse (10024121), we get a palindrome (131444131).

The spelling of 121420010 in words is "one hundred twenty-one million, four hundred twenty thousand, ten".