1420252234 has 4 divisors (see below), whose sum is σ = 2130378354. Its totient is φ = 710126116.

The previous prime is 1420252213. The next prime is 1420252291. The reversal of 1420252234 is 4322520241.

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., 1257766225 + 162486009 = 35465^2 + 12747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1420252199 and 1420252208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355063057 + ... + 355063060.

Almost surely, 2^1420252234 is an apocalyptic number.

1420252234 is a deficient number, since it is larger than the sum of its proper divisors (710126120).

1420252234 is an equidigital number, since it uses as much as digits as its factorization.

1420252234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710126119.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1420252234 is about 37686.2340119041. The cubic root of 1420252234 is about 1124.0574120149.

Adding to 1420252234 its reverse (4322520241), we get a palindrome (5742772475).

The spelling of 1420252234 in words is "one billion, four hundred twenty million, two hundred fifty-two thousand, two hundred thirty-four".