130421572 has 12 divisors (see below), whose sum is σ = 229063660. Its totient is φ = 64974816.

The previous prime is 130421531. The next prime is 130421573. The reversal of 130421572 is 275124031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36409156 + 94012416 = 6034^2 + 9696^2 .

It is not an unprimeable number, because it can be changed into a prime (130421573) 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, 57747 + ... + 59962.

Almost surely, 2^130421572 is an apocalyptic number.

It is an amenable number.

130421572 is a deficient number, since it is larger than the sum of its proper divisors (98642088).

130421572 is a wasteful number, since it uses less digits than its factorization.

130421572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117990 (or 117988 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 130421572 is about 11420.2264425886. The cubic root of 130421572 is about 507.1267003326.

The spelling of 130421572 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred seventy-two".