102611045 has 4 divisors (see below), whose sum is σ = 123133260. Its totient is φ = 82088832.

The previous prime is 102611017. The next prime is 102611053. The reversal of 102611045 is 540116201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540116201 = 331 ⋅1631771.

It can be written as a sum of positive squares in 2 ways, for example, as 76335169 + 26275876 = 8737^2 + 5126^2 .

It is a cyclic number.

It is not a de Polignac number, because 102611045 - 2⁸ = 102610789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10261100 + ... + 10261109.

It is an arithmetic number, because the mean of its divisors is an integer number (30783315).

Almost surely, 2^102611045 is an apocalyptic number.

It is an amenable number.

102611045 is a deficient number, since it is larger than the sum of its proper divisors (20522215).

102611045 is an equidigital number, since it uses as much as digits as its factorization.

102611045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20522214.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102611045 is about 10129.7110027878. The cubic root of 102611045 is about 468.1640234598.

Adding to 102611045 its reverse (540116201), we get a palindrome (642727246).

The spelling of 102611045 in words is "one hundred two million, six hundred eleven thousand, forty-five".