1125477916 has 6 divisors (see below), whose sum is σ = 1969586360. Its totient is φ = 562738956.

The previous prime is 1125477833. The next prime is 1125477917. The reversal of 1125477916 is 6197745211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125477917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140684736 + ... + 140684743.

Almost surely, 2^1125477916 is an apocalyptic number.

It is an amenable number.

1125477916 is a deficient number, since it is larger than the sum of its proper divisors (844108444).

1125477916 is a wasteful number, since it uses less digits than its factorization.

1125477916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281369483 (or 281369481 counting only the distinct ones).

The product of its digits is 105840, while the sum is 43.

The square root of 1125477916 is about 33548.1432571163. The cubic root of 1125477916 is about 1040.1891655413.

The spelling of 1125477916 in words is "one billion, one hundred twenty-five million, four hundred seventy-seven thousand, nine hundred sixteen".