1125771693 has 8 divisors (see below), whose sum is σ = 1501575648. Its totient is φ = 750241104.

The previous prime is 1125771649. The next prime is 1125771697. The reversal of 1125771693 is 3961775211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125771693 - 2⁶ = 1125771629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125771697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58530 + ... + 75347.

It is an arithmetic number, because the mean of its divisors is an integer number (187696956).

Almost surely, 2^1125771693 is an apocalyptic number.

It is an amenable number.

1125771693 is a deficient number, since it is larger than the sum of its proper divisors (375803955).

1125771693 is a wasteful number, since it uses less digits than its factorization.

1125771693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136683.

The product of its digits is 79380, while the sum is 42.

The square root of 1125771693 is about 33552.5214104693. The cubic root of 1125771693 is about 1040.2796625245.

The spelling of 1125771693 in words is "one billion, one hundred twenty-five million, seven hundred seventy-one thousand, six hundred ninety-three".