102200772 has 24 divisors (see below), whose sum is σ = 251020000. Its totient is φ = 32273856.

The previous prime is 102200717. The next prime is 102200779. The reversal of 102200772 is 277002201.

It is not an unprimeable number, because it can be changed into a prime (102200779) 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, 223897 + ... + 224352.

Almost surely, 2^102200772 is an apocalyptic number.

102200772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102200772 is an abundant number, since it is smaller than the sum of its proper divisors (148819228).

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

102200772 is a wasteful number, since it uses less digits than its factorization.

102200772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448275 (or 448273 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 102200772 is about 10109.4397470879. The cubic root of 102200772 is about 467.5392316491.

Adding to 102200772 its reverse (277002201), we get a palindrome (379202973).

The spelling of 102200772 in words is "one hundred two million, two hundred thousand, seven hundred seventy-two".