100261245 has 16 divisors (see below), whose sum is σ = 183335040. Its totient is φ = 45833664.

The previous prime is 100261229. The next prime is 100261267. The reversal of 100261245 is 542162001.

It is not a de Polignac number, because 100261245 - 2⁴ = 100261229 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477330 + ... + 477539.

It is an arithmetic number, because the mean of its divisors is an integer number (11458440).

Almost surely, 2^100261245 is an apocalyptic number.

100261245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100261245 is a deficient number, since it is larger than the sum of its proper divisors (83073795).

100261245 is an equidigital number, since it uses as much as digits as its factorization.

100261245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954884.

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

The square root of 100261245 is about 10013.0537300066. The cubic root of 100261245 is about 464.5627291811.

The spelling of 100261245 in words is "one hundred million, two hundred sixty-one thousand, two hundred forty-five".