1042590699 has 24 divisors (see below), whose sum is σ = 1548472640. Its totient is φ = 675979344.

The previous prime is 1042590643. The next prime is 1042590701. The reversal of 1042590699 is 9960952401.

1042590699 is a `hidden beast` number, since 10 + 42 + 590 + 6 + 9 + 9 = 666.

It is not a de Polignac number, because 1042590699 - 2⁹ = 1042590187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042590799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454734 + ... + 457020.

Almost surely, 2^1042590699 is an apocalyptic number.

1042590699 is a deficient number, since it is larger than the sum of its proper divisors (505881941).

1042590699 is an frugal number, since it uses more digits than its factorization.

1042590699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 1042590699 is about 32289.1730925399. The cubic root of 1042590699 is about 1013.9999854113. Note that the first 4 decimals are identical.

Adding to 1042590699 its sum of digits (45), we get a cube (1042590744 = 1014³).

It can be divided in two parts, 10425 and 90699, that added together give a square (101124 = 318²).

The spelling of 1042590699 in words is "one billion, forty-two million, five hundred ninety thousand, six hundred ninety-nine".