121201038 has 48 divisors (see below), whose sum is σ = 315918720. Its totient is φ = 32805648.

The previous prime is 121201037. The next prime is 121201051. The reversal of 121201038 is 830102121.

It is a super-2 number, since 2×121201038² = 29379383224554888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 121201038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22920 + ... + 27707.

It is an arithmetic number, because the mean of its divisors is an integer number (6581640).

Almost surely, 2^121201038 is an apocalyptic number.

121201038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121201038 is an abundant number, since it is smaller than the sum of its proper divisors (194717682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121201038 is a wasteful number, since it uses less digits than its factorization.

121201038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50661 (or 50658 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 121201038 is about 11009.1342983906. The cubic root of 121201038 is about 494.8825187986.

Adding to 121201038 its reverse (830102121), we get a palindrome (951303159).

The spelling of 121201038 in words is "one hundred twenty-one million, two hundred one thousand, thirty-eight".