1424251147 has 4 divisors (see below), whose sum is σ = 1553728536. Its totient is φ = 1294773760.

The previous prime is 1424251123. The next prime is 1424251151. The reversal of 1424251147 is 7411524241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7411524241 = 11 ⋅673774931.

It is a cyclic number.

It is not a de Polignac number, because 1424251147 - 2⁷ = 1424251019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424251447) 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, 64738678 + ... + 64738699.

It is an arithmetic number, because the mean of its divisors is an integer number (388432134).

Almost surely, 2^1424251147 is an apocalyptic number.

1424251147 is a deficient number, since it is larger than the sum of its proper divisors (129477389).

1424251147 is a wasteful number, since it uses less digits than its factorization.

1424251147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129477388.

The product of its digits is 8960, while the sum is 31.

The square root of 1424251147 is about 37739.2520726100. The cubic root of 1424251147 is about 1125.1114021698. Note that the first 3 decimals are identical.

Adding to 1424251147 its reverse (7411524241), we get a palindrome (8835775388).

The spelling of 1424251147 in words is "one billion, four hundred twenty-four million, two hundred fifty-one thousand, one hundred forty-seven".