1051361144 has 8 divisors (see below), whose sum is σ = 1971302160. Its totient is φ = 525680568.

The previous prime is 1051361117. The next prime is 1051361147. The reversal of 1051361144 is 4411631501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1051361144² = 2210720510225977472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051361147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65710064 + ... + 65710079.

It is an arithmetic number, because the mean of its divisors is an integer number (246412770).

Almost surely, 2^1051361144 is an apocalyptic number.

It is an amenable number.

1051361144 is a deficient number, since it is larger than the sum of its proper divisors (919941016).

1051361144 is a wasteful number, since it uses less digits than its factorization.

1051361144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131420149 (or 131420145 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1051361144 is about 32424.6995976832. The cubic root of 1051361144 is about 1016.8353613946.

Adding to 1051361144 its reverse (4411631501), we get a palindrome (5462992645).

The spelling of 1051361144 in words is "one billion, fifty-one million, three hundred sixty-one thousand, one hundred forty-four".