1202401144 has 16 divisors (see below), whose sum is σ = 2576574000. Its totient is φ = 515314752.

The previous prime is 1202401139. The next prime is 1202401157. The reversal of 1202401144 is 4411042021.

It is a super-2 number, since 2×1202401144² = 2891537022185017472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10735669 + ... + 10735780.

It is an arithmetic number, because the mean of its divisors is an integer number (161035875).

Almost surely, 2^1202401144 is an apocalyptic number.

1202401144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1202401144 is an abundant number, since it is smaller than the sum of its proper divisors (1374172856).

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

1202401144 is a wasteful number, since it uses less digits than its factorization.

1202401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21471462 (or 21471458 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1202401144 is about 34675.6563600460. The cubic root of 1202401144 is about 1063.3668736998.

Adding to 1202401144 its reverse (4411042021), we get a palindrome (5613443165).

The spelling of 1202401144 in words is "one billion, two hundred two million, four hundred one thousand, one hundred forty-four".