1142621483 has 8 divisors (see below), whose sum is σ = 1146836016. Its totient is φ = 1138415200.

The previous prime is 1142621471. The next prime is 1142621503. The reversal of 1142621483 is 3841262411.

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 1142621483 - 2²² = 1138427179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142621423) 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, 415493 + ... + 418233.

It is an arithmetic number, because the mean of its divisors is an integer number (143354502).

Almost surely, 2^1142621483 is an apocalyptic number.

1142621483 is a deficient number, since it is larger than the sum of its proper divisors (4214533).

1142621483 is an equidigital number, since it uses as much as digits as its factorization.

1142621483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125.

The product of its digits is 9216, while the sum is 32.

The square root of 1142621483 is about 33802.6845531535. The cubic root of 1142621483 is about 1045.4440495877. Note that the first 3 decimals are identical.

Adding to 1142621483 its reverse (3841262411), we get a palindrome (4983883894).

The spelling of 1142621483 in words is "one billion, one hundred forty-two million, six hundred twenty-one thousand, four hundred eighty-three".