1204997983 has 8 divisors (see below), whose sum is σ = 1403124768. Its totient is φ = 1013367264.

The previous prime is 1204997951. The next prime is 1204998023. The reversal of 1204997983 is 3897994021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1204997983 - 2⁵ = 1204997951 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 1204997983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204907983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623616 + ... + 1624357.

It is an arithmetic number, because the mean of its divisors is an integer number (175390596).

Almost surely, 2^1204997983 is an apocalyptic number.

1204997983 is a deficient number, since it is larger than the sum of its proper divisors (198126785).

1204997983 is an equidigital number, since it uses as much as digits as its factorization.

1204997983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248033.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 1204997983 is about 34713.0808629830. The cubic root of 1204997983 is about 1064.1318449763.

The spelling of 1204997983 in words is "one billion, two hundred four million, nine hundred ninety-seven thousand, nine hundred eighty-three".