1042202399 has 4 divisors (see below), whose sum is σ = 1191088464. Its totient is φ = 893316336.

The previous prime is 1042202327. The next prime is 1042202431. The reversal of 1042202399 is 9932022401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042202399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042202099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74443022 + ... + 74443035.

It is an arithmetic number, because the mean of its divisors is an integer number (297772116).

Almost surely, 2^1042202399 is an apocalyptic number.

1042202399 is a deficient number, since it is larger than the sum of its proper divisors (148886065).

1042202399 is an equidigital number, since it uses as much as digits as its factorization.

1042202399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148886064.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1042202399 is about 32283.1596811712. The cubic root of 1042202399 is about 1013.8740858659.

The spelling of 1042202399 in words is "one billion, forty-two million, two hundred two thousand, three hundred ninety-nine".