61231124 has 6 divisors (see below), whose sum is σ = 107154474. Its totient is φ = 30615560.

The previous prime is 61231123. The next prime is 61231133. The reversal of 61231124 is 42113216.

It can be written as a sum of positive squares in only one way, i.e., 53290000 + 7941124 = 7300^2 + 2818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61231096 and 61231105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61231123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7653887 + ... + 7653894.

It is an arithmetic number, because the mean of its divisors is an integer number (17859079).

Almost surely, 2^61231124 is an apocalyptic number.

It is an amenable number.

61231124 is a deficient number, since it is larger than the sum of its proper divisors (45923350).

61231124 is a wasteful number, since it uses less digits than its factorization.

61231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307785 (or 15307783 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 61231124 is about 7825.0318849191. The cubic root of 61231124 is about 394.1462605567.

The spelling of 61231124 in words is "sixty-one million, two hundred thirty-one thousand, one hundred twenty-four".