1042123604 has 6 divisors (see below), whose sum is σ = 1823716314. Its totient is φ = 521061800.

The previous prime is 1042123601. The next prime is 1042123639. The reversal of 1042123604 is 4063212401.

It can be written as a sum of positive squares in only one way, i.e., 1040191504 + 1932100 = 32252^2 + 1390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1042123604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042123601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130265447 + ... + 130265454.

It is an arithmetic number, because the mean of its divisors is an integer number (303952719).

Almost surely, 2^1042123604 is an apocalyptic number.

It is an amenable number.

1042123604 is a deficient number, since it is larger than the sum of its proper divisors (781592710).

1042123604 is a wasteful number, since it uses less digits than its factorization.

1042123604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260530905 (or 260530903 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1042123604 is about 32281.9392849934. The cubic root of 1042123604 is about 1013.8485341362.

The spelling of 1042123604 in words is "one billion, forty-two million, one hundred twenty-three thousand, six hundred four".