1012954387 has 4 divisors (see below), whose sum is σ = 1034506656. Its totient is φ = 991402120.

The previous prime is 1012954379. The next prime is 1012954399. The reversal of 1012954387 is 7834592101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012954387 - 2³ = 1012954379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012954337) 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, 10776064 + ... + 10776157.

It is an arithmetic number, because the mean of its divisors is an integer number (258626664).

Almost surely, 2^1012954387 is an apocalyptic number.

1012954387 is a deficient number, since it is larger than the sum of its proper divisors (21552269).

1012954387 is an equidigital number, since it uses as much as digits as its factorization.

1012954387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21552268.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1012954387 is about 31826.9443553729. The cubic root of 1012954387 is about 1004.2996158087.

It can be divided in two parts, 10129 and 54387, that added together give a square (64516 = 254²).

The spelling of 1012954387 in words is "one billion, twelve million, nine hundred fifty-four thousand, three hundred eighty-seven".