1142421352 has 16 divisors (see below), whose sum is σ = 2268042660. Its totient is φ = 537609984.

The previous prime is 1142421337. The next prime is 1142421353. The reversal of 1142421352 is 2531242411.

It can be written as a sum of positive squares in 2 ways, for example, as 1046263716 + 96157636 = 32346^2 + 9806^2 .

It is not an unprimeable number, because it can be changed into a prime (1142421353) 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, 4199943 + ... + 4200214.

Almost surely, 2^1142421352 is an apocalyptic number.

It is an amenable number.

1142421352 is a deficient number, since it is larger than the sum of its proper divisors (1125621308).

1142421352 is a wasteful number, since it uses less digits than its factorization.

1142421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400180 (or 8400176 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1142421352 is about 33799.7241408861. The cubic root of 1142421352 is about 1045.3830092570.

Adding to 1142421352 its reverse (2531242411), we get a palindrome (3673663763).

It can be divided in two parts, 114242 and 1352, that multiplied together give a square (154455184 = 12428²).

The spelling of 1142421352 in words is "one billion, one hundred forty-two million, four hundred twenty-one thousand, three hundred fifty-two".