1012503051 has 32 divisors (see below), whose sum is σ = 1815137280. Its totient is φ = 544537728.

The previous prime is 1012503029. The next prime is 1012503091. The reversal of 1012503051 is 1503052101.

It is not a de Polignac number, because 1012503051 - 2¹³ = 1012494859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012503001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154351 + ... + 160776.

It is an arithmetic number, because the mean of its divisors is an integer number (56723040).

Almost surely, 2^1012503051 is an apocalyptic number.

1012503051 is a deficient number, since it is larger than the sum of its proper divisors (802634229).

1012503051 is a wasteful number, since it uses less digits than its factorization.

1012503051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315160 (or 315154 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1012503051 is about 31819.8530951983. The cubic root of 1012503051 is about 1004.1504337346.

Adding to 1012503051 its reverse (1503052101), we get a palindrome (2515555152).

The spelling of 1012503051 in words is "one billion, twelve million, five hundred three thousand, fifty-one".