102155024 has 10 divisors (see below), whose sum is σ = 197925390. Its totient is φ = 51077504.

The previous prime is 102154993. The next prime is 102155047. The reversal of 102155024 is 420551201.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 2155024 = 10000^2 + 1468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102154987 and 102155005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3192329 + ... + 3192360.

It is an arithmetic number, because the mean of its divisors is an integer number (19792539).

Almost surely, 2^102155024 is an apocalyptic number.

It is an amenable number.

102155024 is a deficient number, since it is larger than the sum of its proper divisors (95770366).

102155024 is an equidigital number, since it uses as much as digits as its factorization.

102155024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384697 (or 6384691 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 102155024 is about 10107.1768560761. The cubic root of 102155024 is about 467.4694599093.

The spelling of 102155024 in words is "one hundred two million, one hundred fifty-five thousand, twenty-four".