102261007 has 4 divisors (see below), whose sum is σ = 105024856. Its totient is φ = 99497160.

The previous prime is 102260999. The next prime is 102261017. The reversal of 102261007 is 700162201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102261007 - 2³ = 102260999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102261017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381869 + ... + 1381942.

It is an arithmetic number, because the mean of its divisors is an integer number (26256214).

Almost surely, 2^102261007 is an apocalyptic number.

102261007 is a deficient number, since it is larger than the sum of its proper divisors (2763849).

102261007 is an equidigital number, since it uses as much as digits as its factorization.

102261007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763848.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102261007 is about 10112.4184545538. The cubic root of 102261007 is about 467.6310662283.

The spelling of 102261007 in words is "one hundred two million, two hundred sixty-one thousand, seven".