1240901 has 4 divisors (see below), whose sum is σ = 1243872. Its totient is φ = 1237932.

The previous prime is 1240861. The next prime is 1240931. The reversal of 1240901 is 1090421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1240901 - 2¹⁰ = 1239877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (310968).

2^1240901 is an apocalyptic number.

It is an amenable number.

1240901 is a deficient number, since it is larger than the sum of its proper divisors (2971).

1240901 is an equidigital number, since it uses as much as digits as its factorization.

1240901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1240901 is about 1113.9573600457. The cubic root of 1240901 is about 107.4597217050.

The spelling of 1240901 in words is "one million, two hundred forty thousand, nine hundred one".