1227979746 has 48 divisors (see below), whose sum is σ = 3043033344. Its totient is φ = 350583552.

The previous prime is 1227979723. The next prime is 1227979757. The reversal of 1227979746 is 6479797221.

1227979746 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1227979692 and 1227979701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210951 + ... + 216693.

It is an arithmetic number, because the mean of its divisors is an integer number (63396528).

Almost surely, 2^1227979746 is an apocalyptic number.

1227979746 is an abundant number, since it is smaller than the sum of its proper divisors (1815053598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227979746 is a wasteful number, since it uses less digits than its factorization.

1227979746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455 (or 7452 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 1227979746 is about 35042.5419454697. The cubic root of 1227979746 is about 1070.8543402353.

The spelling of 1227979746 in words is "one billion, two hundred twenty-seven million, nine hundred seventy-nine thousand, seven hundred forty-six".