106561004 has 12 divisors (see below), whose sum is σ = 203434728. Its totient is φ = 48436800.

The previous prime is 106561003. The next prime is 106561031. The reversal of 106561004 is 400165601.

It is a super-2 number, since 2×106561004² = 22710495146976032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106561003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210877 + ... + 1210964.

It is an arithmetic number, because the mean of its divisors is an integer number (16952894).

Almost surely, 2^106561004 is an apocalyptic number.

It is an amenable number.

106561004 is a deficient number, since it is larger than the sum of its proper divisors (96873724).

106561004 is a wasteful number, since it uses less digits than its factorization.

106561004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421856 (or 2421854 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 106561004 is about 10322.8389505988. The cubic root of 106561004 is about 474.0957926830.

The spelling of 106561004 in words is "one hundred six million, five hundred sixty-one thousand, four".