1142220367 has 8 divisors (see below), whose sum is σ = 1167077376. Its totient is φ = 1117386552.

The previous prime is 1142220341. The next prime is 1142220379. The reversal of 1142220367 is 7630222411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142220367 is a prime.

It is a super-2 number, since 2×1142220367² = 2609334733579229378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142220307) 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, 125658 + ... + 134440.

It is an arithmetic number, because the mean of its divisors is an integer number (145884672).

Almost surely, 2^1142220367 is an apocalyptic number.

1142220367 is a deficient number, since it is larger than the sum of its proper divisors (24857009).

1142220367 is an equidigital number, since it uses as much as digits as its factorization.

1142220367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1142220367 is about 33796.7508349545. The cubic root of 1142220367 is about 1045.3217012798.

Adding to 1142220367 its reverse (7630222411), we get a palindrome (8772442778).

The spelling of 1142220367 in words is "one billion, one hundred forty-two million, two hundred twenty thousand, three hundred sixty-seven".