1520000881 has 8 divisors (see below), whose sum is σ = 1748649344. Its totient is φ = 1294228800.

The previous prime is 1520000879. The next prime is 1520000891. The reversal of 1520000881 is 1880000251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1520000881 - 2¹ = 1520000879 is a prime.

It is a super-2 number, since 2×1520000881² = 4620805356481552322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1520000861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717960 + ... + 720073.

It is an arithmetic number, because the mean of its divisors is an integer number (218581168).

Almost surely, 2^1520000881 is an apocalyptic number.

It is an amenable number.

1520000881 is a deficient number, since it is larger than the sum of its proper divisors (228648463).

1520000881 is a wasteful number, since it uses less digits than its factorization.

1520000881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438191.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1520000881 is about 38987.1886778208. The cubic root of 1520000881 is about 1149.7796379283.

The spelling of 1520000881 in words is "one billion, five hundred twenty million, eight hundred eighty-one", and thus it is an aban number.