1042212531 has 8 divisors (see below), whose sum is σ = 1389826960. Its totient is φ = 694703232.

The previous prime is 1042212499. The next prime is 1042212533. The reversal of 1042212531 is 1352122401.

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

It is not a de Polignac number, because 1042212531 - 2⁵ = 1042212499 is a prime.

It is a super-2 number, since 2×1042212531² = 2172413919546851922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042212498 and 1042212507.

It is not an unprimeable number, because it can be changed into a prime (1042212533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 45663.

It is an arithmetic number, because the mean of its divisors is an integer number (173728370).

Almost surely, 2^1042212531 is an apocalyptic number.

1042212531 is a deficient number, since it is larger than the sum of its proper divisors (347614429).

1042212531 is an equidigital number, since it uses as much as digits as its factorization.

1042212531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52565.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1042212531 is about 32283.3166047109. The cubic root of 1042212531 is about 1013.8773713886.

Adding to 1042212531 its reverse (1352122401), we get a palindrome (2394334932).

The spelling of 1042212531 in words is "one billion, forty-two million, two hundred twelve thousand, five hundred thirty-one".