1242633 has 16 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 694416.

The previous prime is 1242629. The next prime is 1242641. The reversal of 1242633 is 3362421.

It is a happy number.

It is not a de Polignac number, because 1242633 - 2² = 1242629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1242623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358 + ... + 1616.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^1242633 is an apocalyptic number.

It is an amenable number.

1242633 is a deficient number, since it is larger than the sum of its proper divisors (692727).

1242633 is a wasteful number, since it uses less digits than its factorization.

1242633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316.

The product of its digits is 864, while the sum is 21.

The square root of 1242633 is about 1114.7344975374. The cubic root of 1242633 is about 107.5096944565.

The spelling of 1242633 in words is "one million, two hundred forty-two thousand, six hundred thirty-three".