1042003957 has 2 divisors, whose sum is σ = 1042003958. Its totient is φ = 1042003956.

The previous prime is 1042003951. The next prime is 1042003969. The reversal of 1042003957 is 7593002401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842798961 + 199204996 = 29031^2 + 14114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042003957 - 2¹⁹ = 1041479669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042003951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521001978 + 521001979.

It is an arithmetic number, because the mean of its divisors is an integer number (521001979).

Almost surely, 2^1042003957 is an apocalyptic number.

It is an amenable number.

1042003957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042003957 is an equidigital number, since it uses as much as digits as its factorization.

1042003957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1042003957 is about 32280.0860748543. The cubic root of 1042003957 is about 1013.8097324120.

The spelling of 1042003957 in words is "one billion, forty-two million, three thousand, nine hundred fifty-seven".