101256436 has 6 divisors (see below), whose sum is σ = 177198770. Its totient is φ = 50628216.

The previous prime is 101256427. The next prime is 101256451. The reversal of 101256436 is 634652101.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 33292900 = 8244^2 + 5770^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12657051 + ... + 12657058.

Almost surely, 2^101256436 is an apocalyptic number.

It is an amenable number.

101256436 is a deficient number, since it is larger than the sum of its proper divisors (75942334).

101256436 is a wasteful number, since it uses less digits than its factorization.

101256436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25314113 (or 25314111 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 101256436 is about 10062.6257010782. The cubic root of 101256436 is about 466.0947513127.

It can be divided in two parts, 10125 and 6436, that added together give a palindrome (16561).

The spelling of 101256436 in words is "one hundred one million, two hundred fifty-six thousand, four hundred thirty-six".