102464261 has 4 divisors (see below), whose sum is σ = 102490752. Its totient is φ = 102437772.

The previous prime is 102464249. The next prime is 102464273. The reversal of 102464261 is 162464201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (102464249) and next prime (102464273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102464261 is a prime.

It is a super-2 number, since 2×102464261² = 20997849564552242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102464261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102464291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (25622688).

Almost surely, 2^102464261 is an apocalyptic number.

It is an amenable number.

102464261 is a deficient number, since it is larger than the sum of its proper divisors (26491).

102464261 is an equidigital number, since it uses as much as digits as its factorization.

102464261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26490.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 102464261 is about 10122.4631883747. The cubic root of 102464261 is about 467.9406823912.

The spelling of 102464261 in words is "one hundred two million, four hundred sixty-four thousand, two hundred sixty-one".