1353550121 has 16 divisors (see below), whose sum is σ = 1698883200. Its totient is φ = 1047626880.

The previous prime is 1353550103. The next prime is 1353550127. The reversal of 1353550121 is 1210553531.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353550121 is a prime.

It is a super-2 number, since 2×1353550121² = 3664195860118229282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1353550127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47516 + ... + 70461.

It is an arithmetic number, because the mean of its divisors is an integer number (106180200).

Almost surely, 2^1353550121 is an apocalyptic number.

1353550121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1353550121 is a deficient number, since it is larger than the sum of its proper divisors (345333079).

1353550121 is a wasteful number, since it uses less digits than its factorization.

1353550121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118144.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1353550121 is about 36790.6254499703. The cubic root of 1353550121 is about 1106.1773984677.

The spelling of 1353550121 in words is "one billion, three hundred fifty-three million, five hundred fifty thousand, one hundred twenty-one".