100461994 has 4 divisors (see below), whose sum is σ = 150692994. Its totient is φ = 50230996.

The previous prime is 100461971. The next prime is 100462001. The reversal of 100461994 is 499164001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499164001 = 7 ⋅71309143.

It can be written as a sum of positive squares in only one way, i.e., 78978769 + 21483225 = 8887^2 + 4635^2 .

It is a super-2 number, since 2×100461994² = 20185224476912072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25115497 + ... + 25115500.

Almost surely, 2^100461994 is an apocalyptic number.

100461994 is a deficient number, since it is larger than the sum of its proper divisors (50231000).

100461994 is an equidigital number, since it uses as much as digits as its factorization.

100461994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50230999.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 100461994 is about 10023.0730816452. The cubic root of 100461994 is about 464.8725808045.

The spelling of 100461994 in words is "one hundred million, four hundred sixty-one thousand, nine hundred ninety-four".