121034440 has 32 divisors (see below), whose sum is σ = 274076280. Its totient is φ = 48102912.

The previous prime is 121034411. The next prime is 121034467. The reversal of 121034440 is 44430121.

It can be written as a sum of positive squares in 4 ways, for example, as 93973636 + 27060804 = 9694^2 + 5202^2 .

It is a super-2 number, since 2×121034440² = 29298671332227200, which contains 22 as substring.

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, 3357 + ... + 15916.

Almost surely, 2^121034440 is an apocalyptic number.

121034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121034440 is an abundant number, since it is smaller than the sum of its proper divisors (153041840).

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

121034440 is a wasteful number, since it uses less digits than its factorization.

121034440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121034440 is about 11001.5653431682. The cubic root of 121034440 is about 494.6556663889.

Adding to 121034440 its reverse (44430121), we get a palindrome (165464561).

The spelling of 121034440 in words is "one hundred twenty-one million, thirty-four thousand, four hundred forty".