102632280 has 32 divisors (see below), whose sum is σ = 307897200. Its totient is φ = 27368576.

The previous prime is 102632273. The next prime is 102632287. The reversal of 102632280 is 82236201.

It is an interprime number because it is at equal distance from previous prime (102632273) and next prime (102632287).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 102632280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102632287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427515 + ... + 427754.

Almost surely, 2^102632280 is an apocalyptic number.

102632280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102632280 is an abundant number, since it is smaller than the sum of its proper divisors (205264920).

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

102632280 is a wasteful number, since it uses less digits than its factorization.

102632280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855283 (or 855279 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102632280 is about 10130.7591028511. The cubic root of 102632280 is about 468.1963162061.

Adding to 102632280 its reverse (82236201), we get a palindrome (184868481).

The spelling of 102632280 in words is "one hundred two million, six hundred thirty-two thousand, two hundred eighty".