102261054 has 16 divisors (see below), whose sum is σ = 233739648. Its totient is φ = 29217432.

The previous prime is 102261053. The next prime is 102261073. The reversal of 102261054 is 450162201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102261054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102261053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217352 + ... + 1217435.

It is an arithmetic number, because the mean of its divisors is an integer number (14608728).

Almost surely, 2^102261054 is an apocalyptic number.

102261054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102261054 is an abundant number, since it is smaller than the sum of its proper divisors (131478594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102261054 is a wasteful number, since it uses less digits than its factorization.

102261054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434799.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102261054 is about 10112.4207784289. The cubic root of 102261054 is about 467.6311378707.

The spelling of 102261054 in words is "one hundred two million, two hundred sixty-one thousand, fifty-four".