102115403254 has 8 divisors (see below), whose sum is σ = 153176082840. Its totient is φ = 51056708976.

The previous prime is 102115403249. The next prime is 102115403263. The reversal of 102115403254 is 452304511201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360279 + ... + 577954.

It is an arithmetic number, because the mean of its divisors is an integer number (19147010355).

Almost surely, 2^102115403254 is an apocalyptic number.

102115403254 is a deficient number, since it is larger than the sum of its proper divisors (51060679586).

102115403254 is an equidigital number, since it uses as much as digits as its factorization.

102115403254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992654.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 102115403254 its reverse (452304511201), we get a palindrome (554419914455).

The spelling of 102115403254 in words is "one hundred two billion, one hundred fifteen million, four hundred three thousand, two hundred fifty-four".