1125696501 has 16 divisors (see below), whose sum is σ = 1695040320. Its totient is φ = 738160560.

The previous prime is 1125696499. The next prime is 1125696503. The reversal of 1125696501 is 1056965211.

1125696501 is a `hidden beast` number, since 1 + 12 + 56 + 96 + 501 = 666.

It is an interprime number because it is at equal distance from previous prime (1125696499) and next prime (1125696503).

It is not a de Polignac number, because 1125696501 - 2¹ = 1125696499 is a prime.

It is a super-2 number, since 2×1125696501² = 2534385224727286002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125696503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340095 + ... + 343388.

It is an arithmetic number, because the mean of its divisors is an integer number (105940020).

Almost surely, 2^1125696501 is an apocalyptic number.

It is an amenable number.

1125696501 is a deficient number, since it is larger than the sum of its proper divisors (569343819).

1125696501 is an equidigital number, since it uses as much as digits as its factorization.

1125696501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683553 (or 683547 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1125696501 is about 33551.4008798440. The cubic root of 1125696501 is about 1040.2565013896.

The spelling of 1125696501 in words is "one billion, one hundred twenty-five million, six hundred ninety-six thousand, five hundred one".