1353121044 has 24 divisors (see below), whose sum is σ = 3444308448. Its totient is φ = 410036640.

The previous prime is 1353121031. The next prime is 1353121051. The reversal of 1353121044 is 4401213531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5125327 + ... + 5125590.

It is an arithmetic number, because the mean of its divisors is an integer number (143512852).

Almost surely, 2^1353121044 is an apocalyptic number.

It is an amenable number.

1353121044 is an abundant number, since it is smaller than the sum of its proper divisors (2091187404).

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

1353121044 is a wasteful number, since it uses less digits than its factorization.

1353121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250935 (or 10250933 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1353121044 is about 36784.7936517252. The cubic root of 1353121044 is about 1106.0604995970.

Adding to 1353121044 its reverse (4401213531), we get a palindrome (5754334575).

The spelling of 1353121044 in words is "one billion, three hundred fifty-three million, one hundred twenty-one thousand, forty-four".