124721952 has 24 divisors (see below), whose sum is σ = 327395376. Its totient is φ = 41573952.

The previous prime is 124721951. The next prime is 124721963. The reversal of 124721952 is 259127421.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (124721951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649498 + ... + 649689.

It is an arithmetic number, because the mean of its divisors is an integer number (13641474).

Almost surely, 2^124721952 is an apocalyptic number.

124721952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124721952 is an abundant number, since it is smaller than the sum of its proper divisors (202673424).

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

124721952 is a wasteful number, since it uses less digits than its factorization.

124721952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299200 (or 1299192 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 124721952 is about 11167.8982803391. The cubic root of 124721952 is about 499.6289941107.

The spelling of 124721952 in words is "one hundred twenty-four million, seven hundred twenty-one thousand, nine hundred fifty-two".