1200400119 has 6 divisors (see below), whose sum is σ = 1733911296. Its totient is φ = 800266740.

The previous prime is 1200400093. The next prime is 1200400121. The reversal of 1200400119 is 9110040021.

It is not a de Polignac number, because 1200400119 - 2¹¹ = 1200398071 is a prime.

It is a super-2 number, since 2×1200400119² = 2881920891390428322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200400129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66688887 + ... + 66688904.

It is an arithmetic number, because the mean of its divisors is an integer number (288985216).

Almost surely, 2^1200400119 is an apocalyptic number.

1200400119 is a deficient number, since it is larger than the sum of its proper divisors (533511177).

1200400119 is a wasteful number, since it uses less digits than its factorization.

1200400119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133377797 (or 133377794 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1200400119 is about 34646.7908903552. The cubic root of 1200400119 is about 1062.7766643591.

The spelling of 1200400119 in words is "one billion, two hundred million, four hundred thousand, one hundred nineteen".