1572041087 has 4 divisors (see below), whose sum is σ = 1589704560. Its totient is φ = 1554377616.

The previous prime is 1572041059. The next prime is 1572041129. The reversal of 1572041087 is 7801402751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572041087 is a prime.

It is a super-2 number, since 2×1572041087² = 4942626358432283138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572041027) 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, 8831603 + ... + 8831780.

It is an arithmetic number, because the mean of its divisors is an integer number (397426140).

Almost surely, 2^1572041087 is an apocalyptic number.

1572041087 is a deficient number, since it is larger than the sum of its proper divisors (17663473).

1572041087 is an equidigital number, since it uses as much as digits as its factorization.

1572041087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663472.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1572041087 is about 39648.9733410589. The cubic root of 1572041087 is about 1162.7543266270.

The spelling of 1572041087 in words is "one billion, five hundred seventy-two million, forty-one thousand, eighty-seven".