115283021 has 16 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 95867520.

The previous prime is 115283011. The next prime is 115283023. The reversal of 115283021 is 120382511.

It is a happy number.

It is not a de Polignac number, because 115283021 - 2¹⁸ = 115020877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115283023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55520 + ... + 57558.

It is an arithmetic number, because the mean of its divisors is an integer number (8482320).

Almost surely, 2^115283021 is an apocalyptic number.

It is an amenable number.

115283021 is a deficient number, since it is larger than the sum of its proper divisors (20434099).

115283021 is a wasteful number, since it uses less digits than its factorization.

115283021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 115283021 is about 10736.9931079423. The cubic root of 115283021 is about 486.6930182662.

The spelling of 115283021 in words is "one hundred fifteen million, two hundred eighty-three thousand, twenty-one".