121425588 has 48 divisors (see below), whose sum is σ = 315524160. Its totient is φ = 40383072.

The previous prime is 121425583. The next prime is 121425617. The reversal of 121425588 is 885524121.

It is a super-2 number, since 2×121425588² = 29488346842291488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121425583) 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, 59806 + ... + 61802.

It is an arithmetic number, because the mean of its divisors is an integer number (6573420).

Almost surely, 2^121425588 is an apocalyptic number.

121425588 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121425588 is an abundant number, since it is smaller than the sum of its proper divisors (194098572).

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

121425588 is a wasteful number, since it uses less digits than its factorization.

121425588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2565 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 121425588 is about 11019.3279286897. The cubic root of 121425588 is about 495.1879543353.

The spelling of 121425588 in words is "one hundred twenty-one million, four hundred twenty-five thousand, five hundred eighty-eight".