91276101 has 12 divisors (see below), whose sum is σ = 150678112. Its totient is φ = 52157736.

The previous prime is 91276093. The next prime is 91276103. The reversal of 91276101 is 10167219.

It is not a de Polignac number, because 91276101 - 2³ = 91276093 is a prime.

It is a super-2 number, since 2×91276101² = 16662653227524402, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91276103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724351 + ... + 724476.

Almost surely, 2^91276101 is an apocalyptic number.

It is an amenable number.

91276101 is a deficient number, since it is larger than the sum of its proper divisors (59402011).

91276101 is a wasteful number, since it uses less digits than its factorization.

91276101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448840 (or 1448837 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 91276101 is about 9553.8526783701. The cubic root of 91276101 is about 450.2485885756.

The spelling of 91276101 in words is "ninety-one million, two hundred seventy-six thousand, one hundred one".