100601256 has 32 divisors (see below), whose sum is σ = 287432640. Its totient is φ = 28743168.

The previous prime is 100601251. The next prime is 100601273. The reversal of 100601256 is 652106001.

It is a happy number.

It is a super-2 number, since 2×100601256² = 20241225417555072, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (100601251) 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, 299241 + ... + 299576.

It is an arithmetic number, because the mean of its divisors is an integer number (8982270).

Almost surely, 2^100601256 is an apocalyptic number.

It is an amenable number.

100601256 is an abundant number, since it is smaller than the sum of its proper divisors (186831384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100601256 is a wasteful number, since it uses less digits than its factorization.

100601256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598833 (or 598829 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100601256 is about 10030.0177467440. The cubic root of 100601256 is about 465.0872861926.

Adding to 100601256 its reverse (652106001), we get a palindrome (752707257).

The spelling of 100601256 in words is "one hundred million, six hundred one thousand, two hundred fifty-six".