1012001137 has 4 divisors (see below), whose sum is σ = 1156572736. Its totient is φ = 867429540.

The previous prime is 1012001131. The next prime is 1012001141. The reversal of 1012001137 is 7311002101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7311002101 = 13 ⋅562384777.

It is a cyclic number.

It is not a de Polignac number, because 1012001137 - 2²⁷ = 877783409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012001137.

It is not an unprimeable number, because it can be changed into a prime (1012001131) 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, 72285789 + ... + 72285802.

It is an arithmetic number, because the mean of its divisors is an integer number (289143184).

Almost surely, 2^1012001137 is an apocalyptic number.

It is an amenable number.

1012001137 is a deficient number, since it is larger than the sum of its proper divisors (144571599).

1012001137 is an equidigital number, since it uses as much as digits as its factorization.

1012001137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144571598.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1012001137 is about 31811.9653118131. The cubic root of 1012001137 is about 1003.9844818186.

Adding to 1012001137 its reverse (7311002101), we get a palindrome (8323003238).

The spelling of 1012001137 in words is "one billion, twelve million, one thousand, one hundred thirty-seven".