102511042 has 16 divisors (see below), whose sum is σ = 165306240. Its totient is φ = 47523888.

The previous prime is 102511039. The next prime is 102511051. The reversal of 102511042 is 240115201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26913 + ... + 30484.

It is an arithmetic number, because the mean of its divisors is an integer number (10331640).

Almost surely, 2^102511042 is an apocalyptic number.

102511042 is a deficient number, since it is larger than the sum of its proper divisors (62795198).

102511042 is a wasteful number, since it uses less digits than its factorization.

102511042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57465.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102511042 is about 10124.7736764828. The cubic root of 102511042 is about 468.0118857624.

Adding to 102511042 its reverse (240115201), we get a palindrome (342626243).

The spelling of 102511042 in words is "one hundred two million, five hundred eleven thousand, forty-two".