1225377355 has 16 divisors (see below), whose sum is σ = 1550293920. Its totient is φ = 927237888.

The previous prime is 1225377319. The next prime is 1225377367. The reversal of 1225377355 is 5537735221.

It is a cyclic number.

It is not a de Polignac number, because 1225377355 - 2¹⁵ = 1225344587 is a prime.

It is an unprimeable number.

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, 52159 + ... + 71911.

It is an arithmetic number, because the mean of its divisors is an integer number (96893370).

Almost surely, 2^1225377355 is an apocalyptic number.

1225377355 is a deficient number, since it is larger than the sum of its proper divisors (324916565).

1225377355 is a wasteful number, since it uses less digits than its factorization.

1225377355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430.

The product of its digits is 220500, while the sum is 40.

The square root of 1225377355 is about 35005.3903706272. The cubic root of 1225377355 is about 1070.0973373470.

The spelling of 1225377355 in words is "one billion, two hundred twenty-five million, three hundred seventy-seven thousand, three hundred fifty-five".