121274040 has 32 divisors (see below), whose sum is σ = 363822480. Its totient is φ = 32339712.

The previous prime is 121274003. The next prime is 121274051. The reversal of 121274040 is 40472121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121273998 and 121274016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505189 + ... + 505428.

Almost surely, 2^121274040 is an apocalyptic number.

121274040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121274040 is an abundant number, since it is smaller than the sum of its proper divisors (242548440).

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

121274040 is a wasteful number, since it uses less digits than its factorization.

121274040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010631 (or 1010627 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 121274040 is about 11012.4493188391. The cubic root of 121274040 is about 494.9818583291.

The spelling of 121274040 in words is "one hundred twenty-one million, two hundred seventy-four thousand, forty".