1012765501 has 8 divisors (see below), whose sum is σ = 1121325984. Its totient is φ = 906953520.

The previous prime is 1012765487. The next prime is 1012765511. The reversal of 1012765501 is 1055672101.

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

It is not a de Polignac number, because 1012765501 - 2⁷ = 1012765373 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 1012765501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012765511) 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, 686350 + ... + 687823.

It is an arithmetic number, because the mean of its divisors is an integer number (140165748).

Almost surely, 2^1012765501 is an apocalyptic number.

1012765501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012765501 is a deficient number, since it is larger than the sum of its proper divisors (108560483).

1012765501 is a wasteful number, since it uses less digits than its factorization.

1012765501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374251.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1012765501 is about 31823.9768256577. The cubic root of 1012765501 is about 1004.2371878810.

The spelling of 1012765501 in words is "one billion, twelve million, seven hundred sixty-five thousand, five hundred one".