102015051 has 32 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 62735904.

The previous prime is 102015041. The next prime is 102015073. The reversal of 102015051 is 150510201.

It is not a de Polignac number, because 102015051 - 2⁶ = 102014987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102015051.

It is not an unprimeable number, because it can be changed into a prime (102015041) 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, 268980 + ... + 269358.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^102015051 is an apocalyptic number.

102015051 is a deficient number, since it is larger than the sum of its proper divisors (45072309).

102015051 is a wasteful number, since it uses less digits than its factorization.

102015051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 102015051 is about 10100.2500464097. The cubic root of 102015051 is about 467.2558531496.

Adding to 102015051 its reverse (150510201), we get a palindrome (252525252).

It can be divided in two parts, 1020150 and 51, that added together give a palindrome (1020201).

The spelling of 102015051 in words is "one hundred two million, fifteen thousand, fifty-one".