1142220519 has 36 divisors (see below), whose sum is σ = 1835492568. Its totient is φ = 683860320.

The previous prime is 1142220509. The next prime is 1142220533. The reversal of 1142220519 is 9150222411.

1142220519 is a `hidden beast` number, since 1 + 142 + 2 + 2 + 0 + 519 = 666.

It is not a de Polignac number, because 1142220519 - 2⁸ = 1142220263 is a prime.

It is a super-2 number, since 2×1142220519² = 2609335428049258722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142220492 and 1142220501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142220509) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84069 + ... + 96705.

Almost surely, 2^1142220519 is an apocalyptic number.

1142220519 is a deficient number, since it is larger than the sum of its proper divisors (693272049).

1142220519 is a wasteful number, since it uses less digits than its factorization.

1142220519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748 (or 12734 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1142220519 is about 33796.7530836913. The cubic root of 1142220519 is about 1045.3217476482.

The spelling of 1142220519 in words is "one billion, one hundred forty-two million, two hundred twenty thousand, five hundred nineteen".