121027152 has 40 divisors (see below), whose sum is σ = 313139680. Its totient is φ = 40279680.

The previous prime is 121027103. The next prime is 121027177. The reversal of 121027152 is 251720121.

It is a super-2 number, since 2×121027152² = 29295143042462208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37374 + ... + 40482.

It is an arithmetic number, because the mean of its divisors is an integer number (7828492).

Almost surely, 2^121027152 is an apocalyptic number.

121027152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121027152 is an abundant number, since it is smaller than the sum of its proper divisors (192112528).

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

121027152 is a wasteful number, since it uses less digits than its factorization.

121027152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 121027152 is about 11001.2341125894. The cubic root of 121027152 is about 494.6457377470.

Adding to 121027152 its reverse (251720121), we get a palindrome (372747273).

The spelling of 121027152 in words is "one hundred twenty-one million, twenty-seven thousand, one hundred fifty-two".