1226936451 has 12 divisors (see below), whose sum is σ = 1771435608. Its totient is φ = 755037504.

The previous prime is 1226936423. The next prime is 1226936471. The reversal of 1226936451 is 1546396221.

It is not a de Polignac number, because 1226936451 - 2⁷ = 1226936323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1226936471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209490 + ... + 1210503.

It is an arithmetic number, because the mean of its divisors is an integer number (147619634).

Almost surely, 2^1226936451 is an apocalyptic number.

1226936451 is a deficient number, since it is larger than the sum of its proper divisors (544499157).

1226936451 is a wasteful number, since it uses less digits than its factorization.

1226936451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420022 (or 2420009 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 1226936451 is about 35027.6526618613. The cubic root of 1226936451 is about 1070.5509873696.

The spelling of 1226936451 in words is "one billion, two hundred twenty-six million, nine hundred thirty-six thousand, four hundred fifty-one".