101240455 has 8 divisors (see below), whose sum is σ = 127882800. Its totient is φ = 76729536.

The previous prime is 101240449. The next prime is 101240459. The reversal of 101240455 is 554042101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101240455 - 2²⁵ = 67686023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240459) 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, 532750 + ... + 532939.

It is an arithmetic number, because the mean of its divisors is an integer number (15985350).

Almost surely, 2^101240455 is an apocalyptic number.

101240455 is a deficient number, since it is larger than the sum of its proper divisors (26642345).

101240455 is a wasteful number, since it uses less digits than its factorization.

101240455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065713.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 101240455 is about 10061.8315927072. The cubic root of 101240455 is about 466.0702292431.

Adding to 101240455 its reverse (554042101), we get a palindrome (655282556).

The spelling of 101240455 in words is "one hundred one million, two hundred forty thousand, four hundred fifty-five".