102120152158 has 16 divisors (see below), whose sum is σ = 162221162400. Its totient is φ = 48047554816.

The previous prime is 102120152143. The next prime is 102120152159. The reversal of 102120152158 is 851251021201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120152159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94591 + ... + 461722.

It is an arithmetic number, because the mean of its divisors is an integer number (10138822650).

Almost surely, 2^102120152158 is an apocalyptic number.

102120152158 is a deficient number, since it is larger than the sum of its proper divisors (60101010242).

102120152158 is a wasteful number, since it uses less digits than its factorization.

102120152158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561731.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 102120152158 its reverse (851251021201), we get a palindrome (953371173359).

The spelling of 102120152158 in words is "one hundred two billion, one hundred twenty million, one hundred fifty-two thousand, one hundred fifty-eight".