1353121045 has 8 divisors (see below), whose sum is σ = 1651266720. Its totient is φ = 1064149200.

The previous prime is 1353121031. The next prime is 1353121051. The reversal of 1353121045 is 5401213531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1353121045 - 2⁷ = 1353120917 is a prime.

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, 2293131 + ... + 2293720.

It is an arithmetic number, because the mean of its divisors is an integer number (206408340).

Almost surely, 2^1353121045 is an apocalyptic number.

It is an amenable number.

1353121045 is a deficient number, since it is larger than the sum of its proper divisors (298145675).

1353121045 is an equidigital number, since it uses as much as digits as its factorization.

1353121045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586915.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1353121045 is about 36784.7936653177. The cubic root of 1353121045 is about 1106.0604998695.

Adding to 1353121045 its reverse (5401213531), we get a palindrome (6754334576).

The spelling of 1353121045 in words is "one billion, three hundred fifty-three million, one hundred twenty-one thousand, forty-five".