102956540 has 12 divisors (see below), whose sum is σ = 216208776. Its totient is φ = 41182608.

The previous prime is 102956537. The next prime is 102956543. The reversal of 102956540 is 45659201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102956537) and next prime (102956543).

It is a junction number, because it is equal to n+sod(n) for n = 102956497 and 102956506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102956543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573894 + ... + 2573933.

It is an arithmetic number, because the mean of its divisors is an integer number (18017398).

Almost surely, 2^102956540 is an apocalyptic number.

102956540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102956540 is an abundant number, since it is smaller than the sum of its proper divisors (113252236).

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

102956540 is a wasteful number, since it uses less digits than its factorization.

102956540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147836 (or 5147834 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 102956540 is about 10146.7502186661. The cubic root of 102956540 is about 468.6888764152.

The spelling of 102956540 in words is "one hundred two million, nine hundred fifty-six thousand, five hundred forty".