1240372 has 24 divisors (see below), whose sum is σ = 2562560. Its totient is φ = 514080.

The previous prime is 1240363. The next prime is 1240387. The reversal of 1240372 is 2730421.

1240372 is a modest number, since divided by 372 gives 124 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 1582.

2^1240372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281280).

1240372 is an abundant number, since it is smaller than the sum of its proper divisors (1322188).

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

1240372 is a wasteful number, since it uses less digits than its factorization.

1240372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1240372 is about 1113.7198929713. The cubic root of 1240372 is about 107.4444493954. Note that the first 5 decimals are identical.

Adding to 1240372 its reverse (2730421), we get a palindrome (3970793).

It can be divided in two parts, 1240 and 372, that multiplied together give a triangular number (461280 = T₉₆₀).

The spelling of 1240372 in words is "one million, two hundred forty thousand, three hundred seventy-two".