100661234 has 4 divisors (see below), whose sum is σ = 150991854. Its totient is φ = 50330616.

The previous prime is 100661227. The next prime is 100661251. The reversal of 100661234 is 432166001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 72199009 + 28462225 = 8497^2 + 5335^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25165307 + ... + 25165310.

Almost surely, 2^100661234 is an apocalyptic number.

100661234 is a deficient number, since it is larger than the sum of its proper divisors (50330620).

100661234 is an equidigital number, since it uses as much as digits as its factorization.

100661234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50330619.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100661234 is about 10033.0072261511. The cubic root of 100661234 is about 465.1796954546.

The spelling of 100661234 in words is "one hundred million, six hundred sixty-one thousand, two hundred thirty-four".