1451226629 has 2 divisors, whose sum is σ = 1451226630. Its totient is φ = 1451226628.

The previous prime is 1451226583. The next prime is 1451226649. The reversal of 1451226629 is 9266221541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1359028225 + 92198404 = 36865^2 + 9602^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451226629 - 2²⁴ = 1434449413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1451226592 and 1451226601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451226649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725613314 + 725613315.

It is an arithmetic number, because the mean of its divisors is an integer number (725613315).

Almost surely, 2^1451226629 is an apocalyptic number.

It is an amenable number.

1451226629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451226629 is an equidigital number, since it uses as much as digits as its factorization.

1451226629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 1451226629 is about 38094.9685522905. The cubic root of 1451226629 is about 1132.1702695697.

The spelling of 1451226629 in words is "one billion, four hundred fifty-one million, two hundred twenty-six thousand, six hundred twenty-nine".