1421034556 has 24 divisors (see below), whose sum is σ = 2658670560. Its totient is φ = 662226432.

The previous prime is 1421034547. The next prime is 1421034581. The reversal of 1421034556 is 6554301241.

It is a happy number.

It is a super-2 number, since 2×1421034556² = 4038678418692234272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94441 + ... + 108448.

It is an arithmetic number, because the mean of its divisors is an integer number (110777940).

Almost surely, 2^1421034556 is an apocalyptic number.

It is an amenable number.

1421034556 is a deficient number, since it is larger than the sum of its proper divisors (1237636004).

1421034556 is a wasteful number, since it uses less digits than its factorization.

1421034556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203013 (or 203011 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1421034556 is about 37696.6119963055. The cubic root of 1421034556 is about 1124.2637634897.

Adding to 1421034556 its reverse (6554301241), we get a palindrome (7975335797).

The spelling of 1421034556 in words is "one billion, four hundred twenty-one million, thirty-four thousand, five hundred fifty-six".