101042455 has 16 divisors (see below), whose sum is σ = 122934240. Its totient is φ = 79719552.

The previous prime is 101042429. The next prime is 101042471. The reversal of 101042455 is 554240101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101042455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216132 + ... + 216598.

It is an arithmetic number, because the mean of its divisors is an integer number (7683390).

Almost surely, 2^101042455 is an apocalyptic number.

101042455 is a deficient number, since it is larger than the sum of its proper divisors (21891785).

101042455 is a wasteful number, since it uses less digits than its factorization.

101042455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

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

The square root of 101042455 is about 10051.9876143975. The cubic root of 101042455 is about 465.7661935667.

Adding to 101042455 its reverse (554240101), we get a palindrome (655282556).

The spelling of 101042455 in words is "one hundred one million, forty-two thousand, four hundred fifty-five".