1152621 has 12 divisors (see below), whose sum is σ = 1686048. Its totient is φ = 758664.

The previous prime is 1152589. The next prime is 1152623. The reversal of 1152621 is 1262511.

It is not a de Polignac number, because 1152621 - 2⁵ = 1152589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152594 and 1152603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (140504).

2^1152621 is an apocalyptic number.

It is an amenable number.

1152621 is a deficient number, since it is larger than the sum of its proper divisors (533427).

1152621 is a wasteful number, since it uses less digits than its factorization.

1152621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1629 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 1152621 is about 1073.6018815185. The cubic root of 1152621 is about 104.8484889634.

The spelling of 1152621 in words is "one million, one hundred fifty-two thousand, six hundred twenty-one".