1125208701 has 12 divisors (see below), whose sum is σ = 1627960828. Its totient is φ = 748911744.

The previous prime is 1125208681. The next prime is 1125208727. The reversal of 1125208701 is 1078025211.

It can be written as a sum of positive squares in 2 ways, for example, as 453051225 + 672157476 = 21285^2 + 25926^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1125208701 is a prime.

It is a super-2 number, since 2×1125208701² = 2532189241612214802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125208751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96460 + ... + 107493.

Almost surely, 2^1125208701 is an apocalyptic number.

It is an amenable number.

1125208701 is a deficient number, since it is larger than the sum of its proper divisors (502752127).

1125208701 is a wasteful number, since it uses less digits than its factorization.

1125208701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204572 (or 204569 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1125208701 is about 33544.1306490420. The cubic root of 1125208701 is about 1040.1062209678.

The spelling of 1125208701 in words is "one billion, one hundred twenty-five million, two hundred eight thousand, seven hundred one".