1243602 has 24 divisors (see below), whose sum is σ = 2742480. Its totient is φ = 407160.

The previous prime is 1243579. The next prime is 1243609. The reversal of 1243602 is 2063421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1243609) 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, 477 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (114270).

2^1243602 is an apocalyptic number.

1243602 is an abundant number, since it is smaller than the sum of its proper divisors (1498878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243602 is a wasteful number, since it uses less digits than its factorization.

1243602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1243602 is about 1115.1690454814. The cubic root of 1243602 is about 107.5376323987.

The spelling of 1243602 in words is "one million, two hundred forty-three thousand, six hundred two".