1042001404 has 12 divisors (see below), whose sum is σ = 1823792544. Its totient is φ = 520917824.

The previous prime is 1042001393. The next prime is 1042001479. The reversal of 1042001404 is 4041002401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14052 + ... + 47764.

It is an arithmetic number, because the mean of its divisors is an integer number (151982712).

Almost surely, 2^1042001404 is an apocalyptic number.

It is an amenable number.

1042001404 is a deficient number, since it is larger than the sum of its proper divisors (781791140).

1042001404 is a wasteful number, since it uses less digits than its factorization.

1042001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41444 (or 41442 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1042001404 is about 32280.0465303258. The cubic root of 1042001404 is about 1013.8089044374.

Adding to 1042001404 its reverse (4041002401), we get a palindrome (5083003805).

The spelling of 1042001404 in words is "one billion, forty-two million, one thousand, four hundred four".