1200901450 has 24 divisors (see below), whose sum is σ = 2552774112. Its totient is φ = 411737520.

The previous prime is 1200901447. The next prime is 1200901451. The reversal of 1200901450 is 541090021.

It is a super-2 number, since 2×1200901450² = 2884328585224205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200901451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1715224 + ... + 1715923.

It is an arithmetic number, because the mean of its divisors is an integer number (106365588).

Almost surely, 2^1200901450 is an apocalyptic number.

1200901450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200901450 is an abundant number, since it is smaller than the sum of its proper divisors (1351872662).

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

1200901450 is a wasteful number, since it uses less digits than its factorization.

1200901450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431166 (or 3431161 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1200901450 is about 34654.0250187478. The cubic root of 1200901450 is about 1062.9245952376.

Adding to 1200901450 its reverse (541090021), we get a palindrome (1741991471).

The spelling of 1200901450 in words is "one billion, two hundred million, nine hundred one thousand, four hundred fifty".