102787048 has 64 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 40435200.

The previous prime is 102787043. The next prime is 102787051. The reversal of 102787048 is 840787201.

It is a junction number, because it is equal to n+sod(n) for n = 102786998 and 102787016.

It is not an unprimeable number, because it can be changed into a prime (102787043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197028 + ... + 197548.

It is an arithmetic number, because the mean of its divisors is an integer number (3727080).

Almost surely, 2^102787048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102787048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119266560).

102787048 is an abundant number, since it is smaller than the sum of its proper divisors (135746072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102787048 is a wasteful number, since it uses less digits than its factorization.

102787048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 102787048 is about 10138.3947447315. The cubic root of 102787048 is about 468.4315424402.

The spelling of 102787048 in words is "one hundred two million, seven hundred eighty-seven thousand, forty-eight".