1125820774 has 32 divisors (see below), whose sum is σ = 1885796640. Its totient is φ = 500505600.

The previous prime is 1125820757. The next prime is 1125820777. The reversal of 1125820774 is 4770285211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125820777) 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, 368694 + ... + 371734.

It is an arithmetic number, because the mean of its divisors is an integer number (58931145).

Almost surely, 2^1125820774 is an apocalyptic number.

1125820774 is a deficient number, since it is larger than the sum of its proper divisors (759975866).

1125820774 is a wasteful number, since it uses less digits than its factorization.

1125820774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 1125820774 is about 33553.2528080364. The cubic root of 1125820774 is about 1040.2947802209.

The spelling of 1125820774 in words is "one billion, one hundred twenty-five million, eight hundred twenty thousand, seven hundred seventy-four".