1142224102 has 32 divisors (see below), whose sum is σ = 1870387200. Its totient is φ = 521085600.

The previous prime is 1142224087. The next prime is 1142224103. The reversal of 1142224102 is 2014222411.

It is a super-4 number, since 4×1142224102⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1142224102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142224103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540027 + ... + 542137.

It is an arithmetic number, because the mean of its divisors is an integer number (58449600).

Almost surely, 2^1142224102 is an apocalyptic number.

1142224102 is a deficient number, since it is larger than the sum of its proper divisors (728163098).

1142224102 is a wasteful number, since it uses less digits than its factorization.

1142224102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1142224102 is about 33796.8060917004. The cubic root of 1142224102 is about 1045.3228406607.

Adding to 1142224102 its reverse (2014222411), we get a palindrome (3156446513).

The spelling of 1142224102 in words is "one billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred two".