102055401 has 24 divisors (see below), whose sum is σ = 168826944. Its totient is φ = 58194720.

The previous prime is 102055399. The next prime is 102055409. The reversal of 102055401 is 104550201.

It is not a de Polignac number, because 102055401 - 2¹ = 102055399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102055409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34555 + ... + 37391.

It is an arithmetic number, because the mean of its divisors is an integer number (7034456).

Almost surely, 2^102055401 is an apocalyptic number.

It is an amenable number.

102055401 is a deficient number, since it is larger than the sum of its proper divisors (66771543).

102055401 is a wasteful number, since it uses less digits than its factorization.

102055401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 102055401 is about 10102.2473242343. The cubic root of 102055401 is about 467.3174495784.

The spelling of 102055401 in words is "one hundred two million, fifty-five thousand, four hundred one".