1230021934 has 16 divisors (see below), whose sum is σ = 1878669936. Its totient is φ = 603835200.

The previous prime is 1230021929. The next prime is 1230021971. The reversal of 1230021934 is 4391200321.

It is a super-2 number, since 2×1230021934² = 3025907916242200712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230021899 and 1230021908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60834 + ... + 78490.

It is an arithmetic number, because the mean of its divisors is an integer number (117416871).

Almost surely, 2^1230021934 is an apocalyptic number.

1230021934 is a deficient number, since it is larger than the sum of its proper divisors (648648002).

1230021934 is a wasteful number, since it uses less digits than its factorization.

1230021934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1230021934 is about 35071.6685374392. The cubic root of 1230021934 is about 1071.4476384857.

The spelling of 1230021934 in words is "one billion, two hundred thirty million, twenty-one thousand, nine hundred thirty-four".