61901124 has 12 divisors (see below), whose sum is σ = 144435984. Its totient is φ = 20633704.

The previous prime is 61901113. The next prime is 61901149. The reversal of 61901124 is 42110916.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 61901094 and 61901103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2579202 + ... + 2579225.

It is an arithmetic number, because the mean of its divisors is an integer number (12036332).

Almost surely, 2^61901124 is an apocalyptic number.

It is an amenable number.

61901124 is an abundant number, since it is smaller than the sum of its proper divisors (82534860).

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

61901124 is a wasteful number, since it uses less digits than its factorization.

61901124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158434 (or 5158432 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 61901124 is about 7867.7267364849. The cubic root of 61901124 is about 395.5786509097.

The spelling of 61901124 in words is "sixty-one million, nine hundred one thousand, one hundred twenty-four".