1242114531 has 32 divisors (see below), whose sum is σ = 2046236160. Its totient is φ = 654241536.

The previous prime is 1242114481. The next prime is 1242114583. The reversal of 1242114531 is 1354112421.

It is not a de Polignac number, because 1242114531 - 2⁷ = 1242114403 is a prime.

It is a super-2 number, since 2×1242114531² = 3085697016242699922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242114031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27306 + ... + 56831.

It is an arithmetic number, because the mean of its divisors is an integer number (63944880).

Almost surely, 2^1242114531 is an apocalyptic number.

1242114531 is a deficient number, since it is larger than the sum of its proper divisors (804121629).

1242114531 is a wasteful number, since it uses less digits than its factorization.

1242114531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84203.

The product of its digits is 960, while the sum is 24.

The square root of 1242114531 is about 35243.6452569821. The cubic root of 1242114531 is about 1074.9474013565.

Adding to 1242114531 its reverse (1354112421), we get a palindrome (2596226952).

The spelling of 1242114531 in words is "one billion, two hundred forty-two million, one hundred fourteen thousand, five hundred thirty-one".