121254732 has 60 divisors (see below), whose sum is σ = 333684120. Its totient is φ = 38289024.

The previous prime is 121254697. The next prime is 121254739. The reversal of 121254732 is 237452121.

It is a super-3 number, since 3×121254732³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121254696 and 121254705.

It is not an unprimeable number, because it can be changed into a prime (121254739) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3693 + ... + 16004.

It is an arithmetic number, because the mean of its divisors is an integer number (5561402).

Almost surely, 2^121254732 is an apocalyptic number.

121254732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121254732 is an abundant number, since it is smaller than the sum of its proper divisors (212429388).

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

121254732 is a wasteful number, since it uses less digits than its factorization.

121254732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732 (or 19721 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 121254732 is about 11011.5726397277. The cubic root of 121254732 is about 494.9555883020.

The spelling of 121254732 in words is "one hundred twenty-one million, two hundred fifty-four thousand, seven hundred thirty-two".