1201294392 has 192 divisors, whose sum is σ = 3404605440. Its totient is φ = 352512000.

The previous prime is 1201294379. The next prime is 1201294453. The reversal of 1201294392 is 2934921021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7955517 + ... + 7955667.

It is an arithmetic number, because the mean of its divisors is an integer number (17732320).

Almost surely, 2^1201294392 is an apocalyptic number.

1201294392 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 1201294392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702302720).

1201294392 is an abundant number, since it is smaller than the sum of its proper divisors (2203311048).

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

1201294392 is a wasteful number, since it uses less digits than its factorization.

1201294392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1201294392 is about 34659.6940551990. The cubic root of 1201294392 is about 1063.0405143166.

The spelling of 1201294392 in words is "one billion, two hundred one million, two hundred ninety-four thousand, three hundred ninety-two".