102269691 has 12 divisors (see below), whose sum is σ = 148248568. Its totient is φ = 67937184.

The previous prime is 102269663. The next prime is 102269693. The reversal of 102269691 is 196962201.

It is not a de Polignac number, because 102269691 - 2⁵ = 102269659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102269693) 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 11 ways as a sum of consecutive naturals, for example, 17530 + ... + 22623.

Almost surely, 2^102269691 is an apocalyptic number.

102269691 is a deficient number, since it is larger than the sum of its proper divisors (45978877).

102269691 is a wasteful number, since it uses less digits than its factorization.

102269691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40442 (or 40439 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 102269691 is about 10112.8478184931. The cubic root of 102269691 is about 467.6443029232.

The spelling of 102269691 in words is "one hundred two million, two hundred sixty-nine thousand, six hundred ninety-one".