102150681 has 8 divisors (see below), whose sum is σ = 136801824. Its totient is φ = 67800000.

The previous prime is 102150677. The next prime is 102150689. The reversal of 102150681 is 186051201.

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

It is not a de Polignac number, because 102150681 - 2² = 102150677 is a prime.

It is a super-2 number, since 2×102150681² = 20869523257527522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102150689) 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, 74320 + ... + 75681.

It is an arithmetic number, because the mean of its divisors is an integer number (17100228).

Almost surely, 2^102150681 is an apocalyptic number.

It is an amenable number.

102150681 is a deficient number, since it is larger than the sum of its proper divisors (34651143).

102150681 is a wasteful number, since it uses less digits than its factorization.

102150681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150231.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 102150681 is about 10106.9620064587. The cubic root of 102150681 is about 467.4628351784.

It can be divided in two parts, 102150 and 681, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 102150681 in words is "one hundred two million, one hundred fifty thousand, six hundred eighty-one".