102661053 has 32 divisors (see below), whose sum is σ = 154275840. Its totient is φ = 60191040.

The previous prime is 102661001. The next prime is 102661063. The reversal of 102661053 is 350166201.

It is not a de Polignac number, because 102661053 - 2¹⁷ = 102529981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102661063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137800 + ... + 138542.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^102661053 is an apocalyptic number.

It is an amenable number.

102661053 is a deficient number, since it is larger than the sum of its proper divisors (51614787).

102661053 is a wasteful number, since it uses less digits than its factorization.

102661053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 102661053 is about 10132.1790844813. The cubic root of 102661053 is about 468.2400651251.

The spelling of 102661053 in words is "one hundred two million, six hundred sixty-one thousand, fifty-three".