91256102 has 16 divisors (see below), whose sum is σ = 165641760. Its totient is φ = 36809088.

The previous prime is 91256101. The next prime is 91256117. The reversal of 91256102 is 20165219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91256101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191477 + ... + 191952.

It is an arithmetic number, because the mean of its divisors is an integer number (10352610).

Almost surely, 2^91256102 is an apocalyptic number.

91256102 is a deficient number, since it is larger than the sum of its proper divisors (74385658).

91256102 is a wasteful number, since it uses less digits than its factorization.

91256102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383455.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 91256102 is about 9552.8059752096. The cubic root of 91256102 is about 450.2157023503.

The spelling of 91256102 in words is "ninety-one million, two hundred fifty-six thousand, one hundred two".