1226295451 has 4 divisors (see below), whose sum is σ = 1226586712. Its totient is φ = 1226004192.

The previous prime is 1226295419. The next prime is 1226295461. The reversal of 1226295451 is 1545926221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1226295451 - 2⁵ = 1226295419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226295451.

It is not an unprimeable number, because it can be changed into a prime (1226295401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139221 + ... + 147766.

It is an arithmetic number, because the mean of its divisors is an integer number (306646678).

Almost surely, 2^1226295451 is an apocalyptic number.

1226295451 is a deficient number, since it is larger than the sum of its proper divisors (291261).

1226295451 is an equidigital number, since it uses as much as digits as its factorization.

1226295451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291260.

The product of its digits is 43200, while the sum is 37.

The square root of 1226295451 is about 35018.5015527507. The cubic root of 1226295451 is about 1070.3645222052.

The spelling of 1226295451 in words is "one billion, two hundred twenty-six million, two hundred ninety-five thousand, four hundred fifty-one".