1042637641 has 8 divisors (see below), whose sum is σ = 1067853600. Its totient is φ = 1017465792.

The previous prime is 1042637623. The next prime is 1042637653. The reversal of 1042637641 is 1467362401.

1042637641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1042637641 - 2¹⁵ = 1042604873 is a prime.

It is a super-3 number, since 3×1042637641³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042637597 and 1042637606.

It is not an unprimeable number, because it can be changed into a prime (1042637621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39585 + ... + 60433.

It is an arithmetic number, because the mean of its divisors is an integer number (133481700).

Almost surely, 2^1042637641 is an apocalyptic number.

It is an amenable number.

1042637641 is a deficient number, since it is larger than the sum of its proper divisors (25215959).

1042637641 is a wasteful number, since it uses less digits than its factorization.

1042637641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22055.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1042637641 is about 32289.8999843604. The cubic root of 1042637641 is about 1014.0152034232.

The spelling of 1042637641 in words is "one billion, forty-two million, six hundred thirty-seven thousand, six hundred forty-one".