1201392 has 70 divisors (see below), whose sum is σ = 3523832. Its totient is φ = 396576.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201392 is 2931021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11613 + ... + 11715.

2^1201392 is an apocalyptic number.

1201392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761916).

1201392 is an abundant number, since it is smaller than the sum of its proper divisors (2322440).

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

1201392 is an equidigital number, since it uses as much as digits as its factorization.

1201392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1201392 is about 1096.0802890300. The cubic root of 1201392 is about 106.3069305052.

The spelling of 1201392 in words is "one million, two hundred one thousand, three hundred ninety-two".