1240629 has 12 divisors (see below), whose sum is σ = 1791936. Its totient is φ = 763152.

The previous prime is 1240621. The next prime is 1240637. The reversal of 1240629 is 9260421.

It is an interprime number because it is at equal distance from previous prime (1240621) and next prime (1240637).

It is not a de Polignac number, because 1240629 - 2³ = 1240621 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1240599 and 1240608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240621) 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, 717 + ... + 1730.

It is an arithmetic number, because the mean of its divisors is an integer number (149328).

2^1240629 is an apocalyptic number.

It is an amenable number.

1240629 is a deficient number, since it is larger than the sum of its proper divisors (551307).

1240629 is a wasteful number, since it uses less digits than its factorization.

1240629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1240629 is about 1113.8352660964. The cubic root of 1240629 is about 107.4518695663.

The spelling of 1240629 in words is "one million, two hundred forty thousand, six hundred twenty-nine".