1421325842 has 4 divisors (see below), whose sum is σ = 2131988766. Its totient is φ = 710662920.

The previous prime is 1421325839. The next prime is 1421325847. The reversal of 1421325842 is 2485231241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1223670361 + 197655481 = 34981^2 + 14059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421325799 and 1421325808.

It is not an unprimeable number, because it can be changed into a prime (1421325847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355331459 + ... + 355331462.

Almost surely, 2^1421325842 is an apocalyptic number.

1421325842 is a deficient number, since it is larger than the sum of its proper divisors (710662924).

1421325842 is an equidigital number, since it uses as much as digits as its factorization.

1421325842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710662923.

The product of its digits is 15360, while the sum is 32.

The square root of 1421325842 is about 37700.4753550933. The cubic root of 1421325842 is about 1124.3405760532.

The spelling of 1421325842 in words is "one billion, four hundred twenty-one million, three hundred twenty-five thousand, eight hundred forty-two".