1425021301 has 4 divisors (see below), whose sum is σ = 1554568704. Its totient is φ = 1295473900.

The previous prime is 1425021287. The next prime is 1425021307. The reversal of 1425021301 is 1031205241.

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 a de Polignac number, because none of the positive numbers 2^k-1425021301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425021307) 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, 64773685 + ... + 64773706.

It is an arithmetic number, because the mean of its divisors is an integer number (388642176).

Almost surely, 2^1425021301 is an apocalyptic number.

1425021301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1425021301 is a deficient number, since it is larger than the sum of its proper divisors (129547403).

1425021301 is a wasteful number, since it uses less digits than its factorization.

1425021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129547402.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1425021301 is about 37749.4543139368. The cubic root of 1425021301 is about 1125.3141643744.

Adding to 1425021301 its reverse (1031205241), we get a palindrome (2456226542).

The spelling of 1425021301 in words is "one billion, four hundred twenty-five million, twenty-one thousand, three hundred one".