1226460551 has 2 divisors, whose sum is σ = 1226460552. Its totient is φ = 1226460550.

The previous prime is 1226460503. The next prime is 1226460617. The reversal of 1226460551 is 1550646221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226460551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226460251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613230275 + 613230276.

It is an arithmetic number, because the mean of its divisors is an integer number (613230276).

Almost surely, 2^1226460551 is an apocalyptic number.

1226460551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226460551 is an equidigital number, since it uses as much as digits as its factorization.

1226460551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1226460551 is about 35020.8587987217. The cubic root of 1226460551 is about 1070.4125555598.

The spelling of 1226460551 in words is "one billion, two hundred twenty-six million, four hundred sixty thousand, five hundred fifty-one".