121033157 has 16 divisors (see below), whose sum is σ = 140355072. Its totient is φ = 102230640.

The previous prime is 121033139. The next prime is 121033169. The reversal of 121033157 is 751330121.

It is a cyclic number.

It is not a de Polignac number, because 121033157 - 2¹⁰ = 121032133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033457) 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, 211682 + ... + 212252.

It is an arithmetic number, because the mean of its divisors is an integer number (8772192).

Almost surely, 2^121033157 is an apocalyptic number.

It is an amenable number.

121033157 is a deficient number, since it is larger than the sum of its proper divisors (19321915).

121033157 is a wasteful number, since it uses less digits than its factorization.

121033157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 121033157 is about 11001.5070331296. The cubic root of 121033157 is about 494.6539185518.

Adding to 121033157 its reverse (751330121), we get a palindrome (872363278).

The spelling of 121033157 in words is "one hundred twenty-one million, thirty-three thousand, one hundred fifty-seven".