100061956 has 6 divisors (see below), whose sum is σ = 175108430. Its totient is φ = 50030976.

The previous prime is 100061939. The next prime is 100061957. The reversal of 100061956 is 659160001.

It can be written as a sum of positive squares in only one way, i.e., 81000000 + 19061956 = 9000^2 + 4366^2 .

It is not an unprimeable number, because it can be changed into a prime (100061957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507741 + ... + 12507748.

Almost surely, 2^100061956 is an apocalyptic number.

It is an amenable number.

100061956 is a deficient number, since it is larger than the sum of its proper divisors (75046474).

100061956 is a wasteful number, since it uses less digits than its factorization.

100061956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25015493 (or 25015491 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 100061956 is about 10003.0973203303. The cubic root of 100061956 is about 464.2547216641.

The spelling of 100061956 in words is "one hundred million, sixty-one thousand, nine hundred fifty-six".