1421042234 has 8 divisors (see below), whose sum is σ = 2132307828. Its totient is φ = 710272960.

The previous prime is 1421042221. The next prime is 1421042261. The reversal of 1421042234 is 4322401241.

It can be written as a sum of positive squares in 2 ways, for example, as 1406625025 + 14417209 = 37505^2 + 3797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1421042234² = 4038722061623421512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116837 + ... + 128424.

Almost surely, 2^1421042234 is an apocalyptic number.

1421042234 is a deficient number, since it is larger than the sum of its proper divisors (711265594).

1421042234 is a wasteful number, since it uses less digits than its factorization.

1421042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248160.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1421042234 is about 37696.7138355587. The cubic root of 1421042234 is about 1124.2657883247.

Adding to 1421042234 its reverse (4322401241), we get a palindrome (5743443475).

The spelling of 1421042234 in words is "one billion, four hundred twenty-one million, forty-two thousand, two hundred thirty-four".