1012377291 has 8 divisors (see below), whose sum is σ = 1358434704. Its totient is φ = 670619040.

The previous prime is 1012377259. The next prime is 1012377293. The reversal of 1012377291 is 1927732101.

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

It is not a de Polignac number, because 1012377291 - 2⁵ = 1012377259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012377293) 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, 1074240 + ... + 1075181.

It is an arithmetic number, because the mean of its divisors is an integer number (169804338).

Almost surely, 2^1012377291 is an apocalyptic number.

1012377291 is a deficient number, since it is larger than the sum of its proper divisors (346057413).

1012377291 is a wasteful number, since it uses less digits than its factorization.

1012377291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149581.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 1012377291 is about 31817.8769090585. The cubic root of 1012377291 is about 1004.1088578311.

The spelling of 1012377291 in words is "one billion, twelve million, three hundred seventy-seven thousand, two hundred ninety-one".