1200489402 has 32 divisors (see below), whose sum is σ = 2790489600. Its totient is φ = 337182768.

The previous prime is 1200489401. The next prime is 1200489403. The reversal of 1200489402 is 2049840021.

It is an interprime number because it is at equal distance from previous prime (1200489401) and next prime (1200489403).

It is a self number, because there is not a number n which added to its sum of digits gives 1200489402.

It is not an unprimeable number, because it can be changed into a prime (1200489401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239752 + ... + 244707.

It is an arithmetic number, because the mean of its divisors is an integer number (87202800).

Almost surely, 2^1200489402 is an apocalyptic number.

1200489402 is an abundant number, since it is smaller than the sum of its proper divisors (1590000198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200489402 is a wasteful number, since it uses less digits than its factorization.

1200489402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484530.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1200489402 is about 34648.0793407081. The cubic root of 1200489402 is about 1062.8030126672.

The spelling of 1200489402 in words is "one billion, two hundred million, four hundred eighty-nine thousand, four hundred two".