1220152355 has 16 divisors (see below), whose sum is σ = 1542996000. Its totient is φ = 923696640.

The previous prime is 1220152331. The next prime is 1220152387. The reversal of 1220152355 is 5532510221.

It is not a de Polignac number, because 1220152355 - 2⁶ = 1220152291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82571 + ... + 96219.

It is an arithmetic number, because the mean of its divisors is an integer number (96437250).

Almost surely, 2^1220152355 is an apocalyptic number.

1220152355 is a deficient number, since it is larger than the sum of its proper divisors (322843645).

1220152355 is a wasteful number, since it uses less digits than its factorization.

1220152355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1220152355 is about 34930.6792805408. The cubic root of 1220152355 is about 1068.5742080371.

Adding to 1220152355 its reverse (5532510221), we get a palindrome (6752662576).

The spelling of 1220152355 in words is "one billion, two hundred twenty million, one hundred fifty-two thousand, three hundred fifty-five".