121033131 has 16 divisors (see below), whose sum is σ = 167616000. Its totient is φ = 77628128.

The previous prime is 121033111. The next prime is 121033139. The reversal of 121033131 is 131330121.

It is a cyclic number.

It is not a de Polignac number, because 121033131 - 2⁶ = 121033067 is a prime.

It is a super-2 number, since 2×121033131² = 29298037599326322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121033131.

It is not an unprimeable number, because it can be changed into a prime (121033139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (10476000).

Almost surely, 2^121033131 is an apocalyptic number.

121033131 is a deficient number, since it is larger than the sum of its proper divisors (46582869).

121033131 is a wasteful number, since it uses less digits than its factorization.

121033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 121033131 is about 11001.5058514732. The cubic root of 121033131 is about 494.6538831318.

Adding to 121033131 its reverse (131330121), we get a palindrome (252363252).

The spelling of 121033131 in words is "one hundred twenty-one million, thirty-three thousand, one hundred thirty-one".