1042211993 has 8 divisors (see below), whose sum is σ = 1064635488. Its totient is φ = 1020023584.

The previous prime is 1042211977. The next prime is 1042212007. The reversal of 1042211993 is 3991122401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042211993 - 2⁴ = 1042211977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042211953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49796 + ... + 67557.

It is an arithmetic number, because the mean of its divisors is an integer number (133079436).

Almost surely, 2^1042211993 is an apocalyptic number.

It is an amenable number.

1042211993 is a deficient number, since it is larger than the sum of its proper divisors (22423495).

1042211993 is a wasteful number, since it uses less digits than its factorization.

1042211993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117543.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1042211993 is about 32283.3082722326. The cubic root of 1042211993 is about 1013.8771969309.

The spelling of 1042211993 in words is "one billion, forty-two million, two hundred eleven thousand, nine hundred ninety-three".