1655025124 has 9 divisors (see below), whose sum is σ = 2896436361. Its totient is φ = 827471880.

The previous prime is 1655025109. The next prime is 1655025149. The reversal of 1655025124 is 4215205561.

The square root of 1655025124 is 40682.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1037999524 + 617025600 = 32218^2 + 24840^2 .

It is a super-2 number, since 2×1655025124² = 5478216322142430752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 71194 + ... + 91534.

Almost surely, 2^1655025124 is an apocalyptic number.

1655025124 is the 40682-nd square number.

It is an amenable number.

1655025124 is a deficient number, since it is larger than the sum of its proper divisors (1241411237).

1655025124 is an frugal number, since it uses more digits than its factorization.

1655025124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40686 (or 20343 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The cubic root of 1655025124 is about 1182.8641340969.

The spelling of 1655025124 in words is "one billion, six hundred fifty-five million, twenty-five thousand, one hundred twenty-four".