1200500445 has 32 divisors (see below), whose sum is σ = 1970584704. Its totient is φ = 623750400.

The previous prime is 1200500437. The next prime is 1200500453. The reversal of 1200500445 is 5440050021.

It is an interprime number because it is at equal distance from previous prime (1200500437) and next prime (1200500453).

It is not a de Polignac number, because 1200500445 - 2³ = 1200500437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269335 + ... + 273755.

It is an arithmetic number, because the mean of its divisors is an integer number (61580772).

Almost surely, 2^1200500445 is an apocalyptic number.

1200500445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200500445 is a deficient number, since it is larger than the sum of its proper divisors (770084259).

1200500445 is a wasteful number, since it uses less digits than its factorization.

1200500445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1200500445 is about 34648.2386998243. The cubic root of 1200500445 is about 1062.8062714764.

Adding to 1200500445 its reverse (5440050021), we get a palindrome (6640550466).

The spelling of 1200500445 in words is "one billion, two hundred million, five hundred thousand, four hundred forty-five".