121100424 has 32 divisors (see below), whose sum is σ = 303102240. Its totient is φ = 40320000.

The previous prime is 121100411. The next prime is 121100437. The reversal of 121100424 is 424001121.

It is an interprime number because it is at equal distance from previous prime (121100411) and next prime (121100437).

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, 22824 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (9471945).

Almost surely, 2^121100424 is an apocalyptic number.

It is an amenable number.

121100424 is an abundant number, since it is smaller than the sum of its proper divisors (182001816).

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

121100424 is a wasteful number, since it uses less digits than its factorization.

121100424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121100424 is about 11004.5637805412. The cubic root of 121100424 is about 494.7455400645.

Adding to 121100424 its reverse (424001121), we get a palindrome (545101545).

The spelling of 121100424 in words is "one hundred twenty-one million, one hundred thousand, four hundred twenty-four".