1126406272 has 16 divisors (see below), whose sum is σ = 2244012750. Its totient is φ = 563203072.

The previous prime is 1126406263. The next prime is 1126406273. The reversal of 1126406272 is 2726046211.

It can be written as a sum of positive squares in only one way, i.e., 874739776 + 251666496 = 29576^2 + 15864^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1126406273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4399897 + ... + 4400152.

Almost surely, 2^1126406272 is an apocalyptic number.

It is an amenable number.

1126406272 is a deficient number, since it is larger than the sum of its proper divisors (1117606478).

1126406272 is an frugal number, since it uses more digits than its factorization.

1126406272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800063 (or 8800051 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1126406272 is about 33561.9765806485. The cubic root of 1126406272 is about 1040.4750886588.

The spelling of 1126406272 in words is "one billion, one hundred twenty-six million, four hundred six thousand, two hundred seventy-two".