101487855 has 64 divisors (see below), whose sum is σ = 192964608. Its totient is φ = 44582400.

The previous prime is 101487851. The next prime is 101487877. The reversal of 101487855 is 558784101.

It is not a de Polignac number, because 101487855 - 2² = 101487851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101487851) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 586549 + ... + 586721.

It is an arithmetic number, because the mean of its divisors is an integer number (3015072).

Almost surely, 2^101487855 is an apocalyptic number.

101487855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101487855 is a deficient number, since it is larger than the sum of its proper divisors (91476753).

101487855 is a wasteful number, since it uses less digits than its factorization.

101487855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 101487855 is about 10074.1180755439. The cubic root of 101487855 is about 466.4495636974.

The spelling of 101487855 in words is "one hundred one million, four hundred eighty-seven thousand, eight hundred fifty-five".