102022040 has 16 divisors (see below), whose sum is σ = 229549680. Its totient is φ = 40808800.

The previous prime is 102022031. The next prime is 102022069. The reversal of 102022040 is 40220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275236 + ... + 1275315.

It is an arithmetic number, because the mean of its divisors is an integer number (14346855).

Almost surely, 2^102022040 is an apocalyptic number.

102022040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022040 is an abundant number, since it is smaller than the sum of its proper divisors (127527640).

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

102022040 is a wasteful number, since it uses less digits than its factorization.

102022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550562 (or 2550558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 102022040 is about 10100.5960220177. The cubic root of 102022040 is about 467.2665233940.

Adding to 102022040 its reverse (40220201), we get a palindrome (142242241).

The spelling of 102022040 in words is "one hundred two million, twenty-two thousand, forty".