1530012881 has 8 divisors (see below), whose sum is σ = 1544417280. Its totient is φ = 1515623872.

The previous prime is 1530012853. The next prime is 1530012901. The reversal of 1530012881 is 1882100351.

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 1530012881 - 2⁶ = 1530012817 is a prime.

It is a super-2 number, since 2×1530012881² = 4681878832051840322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530072881) 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, 322976 + ... + 327678.

It is an arithmetic number, because the mean of its divisors is an integer number (193052160).

Almost surely, 2^1530012881 is an apocalyptic number.

It is an amenable number.

1530012881 is a deficient number, since it is larger than the sum of its proper divisors (14404399).

1530012881 is a wasteful number, since it uses less digits than its factorization.

1530012881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1530012881 is about 39115.3790854697. The cubic root of 1530012881 is about 1152.2985862093.

The spelling of 1530012881 in words is "one billion, five hundred thirty million, twelve thousand, eight hundred eighty-one".