1126751978 has 16 divisors (see below), whose sum is σ = 1903253760. Its totient is φ = 495638400.

The previous prime is 1126751971. The next prime is 1126752031. The reversal of 1126751978 is 8791576211.

It is not an unprimeable number, because it can be changed into a prime (1126751971) 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, 825383 + ... + 826746.

It is an arithmetic number, because the mean of its divisors is an integer number (118953360).

Almost surely, 2^1126751978 is an apocalyptic number.

1126751978 is a deficient number, since it is larger than the sum of its proper divisors (776501782).

1126751978 is a wasteful number, since it uses less digits than its factorization.

1126751978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652173.

The product of its digits is 211680, while the sum is 47.

The square root of 1126751978 is about 33567.1264483572. The cubic root of 1126751978 is about 1040.5815220413.

The spelling of 1126751978 in words is "one billion, one hundred twenty-six million, seven hundred fifty-one thousand, nine hundred seventy-eight".