1204241155 has 32 divisors (see below), whose sum is σ = 1655337600. Its totient is φ = 833144832.

The previous prime is 1204241131. The next prime is 1204241197. The reversal of 1204241155 is 5511424021.

It is not a de Polignac number, because 1204241155 - 2⁵ = 1204241123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250666 + ... + 255424.

It is an arithmetic number, because the mean of its divisors is an integer number (51729300).

Almost surely, 2^1204241155 is an apocalyptic number.

1204241155 is a deficient number, since it is larger than the sum of its proper divisors (451096445).

1204241155 is a wasteful number, since it uses less digits than its factorization.

1204241155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1204241155 is about 34702.1779575865. The cubic root of 1204241155 is about 1063.9090137750.

Adding to 1204241155 its reverse (5511424021), we get a palindrome (6715665176).

The spelling of 1204241155 in words is "one billion, two hundred four million, two hundred forty-one thousand, one hundred fifty-five".