1235940 has 24 divisors (see below), whose sum is σ = 3460800. Its totient is φ = 329568.

The previous prime is 1235933. The next prime is 1235947. The reversal of 1235940 is 495321.

It is an interprime number because it is at equal distance from previous prime (1235933) and next prime (1235947).

It is a self number, because there is not a number n which added to its sum of digits gives 1235940.

It is not an unprimeable number, because it can be changed into a prime (1235947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10240 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (144200).

2^1235940 is an apocalyptic number.

1235940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235940 is an abundant number, since it is smaller than the sum of its proper divisors (2224860).

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

1235940 is a wasteful number, since it uses less digits than its factorization.

1235940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20611 (or 20609 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1235940 is about 1111.7283840939. The cubic root of 1235940 is about 107.3163259791.

The spelling of 1235940 in words is "one million, two hundred thirty-five thousand, nine hundred forty".