1276974452 has 24 divisors (see below), whose sum is σ = 2413094376. Its totient is φ = 587783808.

The previous prime is 1276974449. The next prime is 1276974469. The reversal of 1276974452 is 2544796721.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 1276918756 = 236^2 + 35734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1276974397 and 1276974406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13523 + ... + 52314.

It is an arithmetic number, because the mean of its divisors is an integer number (100545599).

Almost surely, 2^1276974452 is an apocalyptic number.

It is an amenable number.

1276974452 is a deficient number, since it is larger than the sum of its proper divisors (1136119924).

1276974452 is a wasteful number, since it uses less digits than its factorization.

1276974452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66227 (or 66225 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 1276974452 is about 35734.7793053210. The cubic root of 1276974452 is about 1084.9108924676.

The spelling of 1276974452 in words is "one billion, two hundred seventy-six million, nine hundred seventy-four thousand, four hundred fifty-two".