1245629 has 12 divisors (see below), whose sum is σ = 1581408. Its totient is φ = 970200.

The previous prime is 1245623. The next prime is 1245649. The reversal of 1245629 is 9265421.

It is a happy number.

It is not a de Polignac number, because 1245629 - 2⁴ = 1245613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245623) 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, 617 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (131784).

2^1245629 is an apocalyptic number.

It is an amenable number.

1245629 is a deficient number, since it is larger than the sum of its proper divisors (335779).

1245629 is a wasteful number, since it uses less digits than its factorization.

1245629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2329 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1245629 is about 1116.0775062692. The cubic root of 1245629 is about 107.5960274096.

The spelling of 1245629 in words is "one million, two hundred forty-five thousand, six hundred twenty-nine".