102142051 has 8 divisors (see below), whose sum is σ = 111512304. Its totient is φ = 92785920.

The previous prime is 102142037. The next prime is 102142063. The reversal of 102142051 is 150241201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102142051 - 2¹³ = 102133859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102142021) by changing a digit.

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, 16635 + ... + 21931.

It is an arithmetic number, because the mean of its divisors is an integer number (13939038).

Almost surely, 2^102142051 is an apocalyptic number.

102142051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102142051 is a deficient number, since it is larger than the sum of its proper divisors (9370253).

102142051 is a wasteful number, since it uses less digits than its factorization.

102142051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

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

The square root of 102142051 is about 10106.5350640069. The cubic root of 102142051 is about 467.4496705806.

Adding to 102142051 its reverse (150241201), we get a palindrome (252383252).

The spelling of 102142051 in words is "one hundred two million, one hundred forty-two thousand, fifty-one".