102949056 has 140 divisors (see below), whose sum is σ = 348892368. Its totient is φ = 29403648.

The previous prime is 102949039. The next prime is 102949057. The reversal of 102949056 is 650949201.

It is a super-2 number, since 2×102949056² = 21197016262582272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 102949056.

It is not an unprimeable number, because it can be changed into a prime (102949057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34870 + ... + 37706.

Almost surely, 2^102949056 is an apocalyptic number.

102949056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102949056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174446184).

102949056 is an abundant number, since it is smaller than the sum of its proper divisors (245943312).

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

102949056 is an equidigital number, since it uses as much as digits as its factorization.

102949056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 102949056 is about 10146.3814239363. The cubic root of 102949056 is about 468.6775196733.

The spelling of 102949056 in words is "one hundred two million, nine hundred forty-nine thousand, fifty-six".