100461290 has 16 divisors (see below), whose sum is σ = 185718312. Its totient is φ = 39098304.

The previous prime is 100461289. The next prime is 100461293. The reversal of 100461290 is 92164001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72403081 + 28058209 = 8509^2 + 5297^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100461293) 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, 135389 + ... + 136128.

Almost surely, 2^100461290 is an apocalyptic number.

100461290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100461290 is a deficient number, since it is larger than the sum of its proper divisors (85257022).

100461290 is a wasteful number, since it uses less digits than its factorization.

100461290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271561.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 100461290 is about 10023.0379626139. The cubic root of 100461290 is about 464.8714949177.

The spelling of 100461290 in words is "one hundred million, four hundred sixty-one thousand, two hundred ninety".