1244142412 has 6 divisors (see below), whose sum is σ = 2177249228. Its totient is φ = 622071204.

The previous prime is 1244142409. The next prime is 1244142413. The reversal of 1244142412 is 2142414421.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1244142413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155517798 + ... + 155517805.

Almost surely, 2^1244142412 is an apocalyptic number.

It is an amenable number.

1244142412 is a deficient number, since it is larger than the sum of its proper divisors (933106816).

1244142412 is a wasteful number, since it uses less digits than its factorization.

1244142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311035607 (or 311035605 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1244142412 is about 35272.4029802337. The cubic root of 1244142412 is about 1075.5320710591.

Adding to 1244142412 its reverse (2142414421), we get a palindrome (3386556833).

The spelling of 1244142412 in words is "one billion, two hundred forty-four million, one hundred forty-two thousand, four hundred twelve".