102200155 has 12 divisors (see below), whose sum is σ = 128207520. Its totient is φ = 78203312.

The previous prime is 102200129. The next prime is 102200191. The reversal of 102200155 is 551002201.

It is not a de Polignac number, because 102200155 - 2¹³ = 102191963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16675 + ... + 21964.

It is an arithmetic number, because the mean of its divisors is an integer number (10683960).

Almost surely, 2^102200155 is an apocalyptic number.

102200155 is a deficient number, since it is larger than the sum of its proper divisors (26007365).

102200155 is an equidigital number, since it uses as much as digits as its factorization.

102200155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38690 (or 38667 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 102200155 is about 10109.4092310085. The cubic root of 102200155 is about 467.5382907812.

Adding to 102200155 its reverse (551002201), we get a palindrome (653202356).

The spelling of 102200155 in words is "one hundred two million, two hundred thousand, one hundred fifty-five".