1142051224 has 16 divisors (see below), whose sum is σ = 2160297720. Its totient is φ = 565971840.

The previous prime is 1142051219. The next prime is 1142051227. The reversal of 1142051224 is 4221502411.

It is a junction number, because it is equal to n+sod(n) for n = 1142051195 and 1142051204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142051227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630762 + ... + 632569.

Almost surely, 2^1142051224 is an apocalyptic number.

It is an amenable number.

1142051224 is a deficient number, since it is larger than the sum of its proper divisors (1018246496).

1142051224 is a wasteful number, since it uses less digits than its factorization.

1142051224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263450 (or 1263446 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1142051224 is about 33794.2483863749. The cubic root of 1142051224 is about 1045.2701007359.

Adding to 1142051224 its reverse (4221502411), we get a palindrome (5363553635).

The spelling of 1142051224 in words is "one billion, one hundred forty-two million, fifty-one thousand, two hundred twenty-four".