1425124401 has 4 divisors (see below), whose sum is σ = 1900165872. Its totient is φ = 950082932.

The previous prime is 1425124313. The next prime is 1425124411. The reversal of 1425124401 is 1044215241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1425124401 - 2¹⁴ = 1425108017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425124411) 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, 237520731 + ... + 237520736.

It is an arithmetic number, because the mean of its divisors is an integer number (475041468).

Almost surely, 2^1425124401 is an apocalyptic number.

It is an amenable number.

1425124401 is a deficient number, since it is larger than the sum of its proper divisors (475041471).

1425124401 is an equidigital number, since it uses as much as digits as its factorization.

1425124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475041470.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1425124401 is about 37750.8198718915. The cubic root of 1425124401 is about 1125.3413024699.

Adding to 1425124401 its reverse (1044215241), we get a palindrome (2469339642).

The spelling of 1425124401 in words is "one billion, four hundred twenty-five million, one hundred twenty-four thousand, four hundred one".