1200072034 has 24 divisors (see below), whose sum is σ = 2204217360. Its totient is φ = 487246536.

The previous prime is 1200071959. The next prime is 1200072059. The reversal of 1200072034 is 4302700021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320392 + ... + 324115.

It is an arithmetic number, because the mean of its divisors is an integer number (91842390).

Almost surely, 2^1200072034 is an apocalyptic number.

1200072034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1200072034 is a deficient number, since it is larger than the sum of its proper divisors (1004145326).

1200072034 is a wasteful number, since it uses less digits than its factorization.

1200072034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644542 (or 644535 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1200072034 is about 34642.0558570071. The cubic root of 1200072034 is about 1062.6798319648.

Adding to 1200072034 its reverse (4302700021), we get a palindrome (5502772055).

The spelling of 1200072034 in words is "one billion, two hundred million, seventy-two thousand, thirty-four".