102607561 has 8 divisors (see below), whose sum is σ = 117381824. Its totient is φ = 87862320.

The previous prime is 102607537. The next prime is 102607573. The reversal of 102607561 is 165706201.

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

It is not a de Polignac number, because 102607561 - 2⁷ = 102607433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102607501) 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, 946 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (14672728).

Almost surely, 2^102607561 is an apocalyptic number.

It is an amenable number.

102607561 is a deficient number, since it is larger than the sum of its proper divisors (14774263).

102607561 is a wasteful number, since it uses less digits than its factorization.

102607561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 102607561 is about 10129.5390319599. The cubic root of 102607561 is about 468.1587248037.

The spelling of 102607561 in words is "one hundred two million, six hundred seven thousand, five hundred sixty-one".