1421252346 has 16 divisors (see below), whose sum is σ = 2896137504. Its totient is φ = 464811984.

The previous prime is 1421252341. The next prime is 1421252351. The reversal of 1421252346 is 6432521241.

It is an interprime number because it is at equal distance from previous prime (1421252341) and next prime (1421252351).

It is not an unprimeable number, because it can be changed into a prime (1421252341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234356 + ... + 2234991.

It is an arithmetic number, because the mean of its divisors is an integer number (181008594).

Almost surely, 2^1421252346 is an apocalyptic number.

1421252346 is an abundant number, since it is smaller than the sum of its proper divisors (1474885158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421252346 is a wasteful number, since it uses less digits than its factorization.

1421252346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469405.

The product of its digits is 11520, while the sum is 30.

The square root of 1421252346 is about 37699.5006067720. The cubic root of 1421252346 is about 1124.3211960356.

Adding to 1421252346 its reverse (6432521241), we get a palindrome (7853773587).

The spelling of 1421252346 in words is "one billion, four hundred twenty-one million, two hundred fifty-two thousand, three hundred forty-six".