1301240 has 16 divisors (see below), whose sum is σ = 2927880. Its totient is φ = 520480.

The previous prime is 1301239. The next prime is 1301243. The reversal of 1301240 is 421031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16226 + ... + 16305.

2^1301240 is an apocalyptic number.

1301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301240 is an abundant number, since it is smaller than the sum of its proper divisors (1626640).

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

1301240 is a wasteful number, since it uses less digits than its factorization.

1301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32542 (or 32538 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1301240 is about 1140.7190714633. The cubic root of 1301240 is about 109.1739779757.

Adding to 1301240 its reverse (421031), we get a palindrome (1722271).

The spelling of 1301240 in words is "one million, three hundred one thousand, two hundred forty".