102128400177 has 8 divisors (see below), whose sum is σ = 136178633664. Its totient is φ = 68081883408.

The previous prime is 102128400047. The next prime is 102128400181. The reversal of 102128400177 is 771004821201.

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

It is not a de Polignac number, because 102128400177 - 2¹⁵ = 102128367409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102128400377) 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, 864418 + ... + 975435.

It is an arithmetic number, because the mean of its divisors is an integer number (17022329208).

Almost surely, 2^102128400177 is an apocalyptic number.

It is an amenable number.

102128400177 is a deficient number, since it is larger than the sum of its proper divisors (34050233487).

102128400177 is a wasteful number, since it uses less digits than its factorization.

102128400177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858359.

The product of its (nonzero) digits is 6272, while the sum is 33.

The spelling of 102128400177 in words is "one hundred two billion, one hundred twenty-eight million, four hundred thousand, one hundred seventy-seven".