1201251044 has 24 divisors (see below), whose sum is σ = 2404176768. Its totient is φ = 514463040.

The previous prime is 1201251031. The next prime is 1201251047. The reversal of 1201251044 is 4401521021.

It is a happy number.

It is a super-2 number, since 2×1201251044² = 2886008141422179872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201251047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28112 + ... + 56504.

It is an arithmetic number, because the mean of its divisors is an integer number (100174032).

Almost surely, 2^1201251044 is an apocalyptic number.

1201251044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201251044 is an abundant number, since it is smaller than the sum of its proper divisors (1202925724).

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

1201251044 is a wasteful number, since it uses less digits than its factorization.

1201251044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29915 (or 29913 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1201251044 is about 34659.0687122433. The cubic root of 1201251044 is about 1063.0277277660.

Adding to 1201251044 its reverse (4401521021), we get a palindrome (5602772065).

The spelling of 1201251044 in words is "one billion, two hundred one million, two hundred fifty-one thousand, forty-four".