1201263315 has 32 divisors (see below), whose sum is σ = 2312209920. Its totient is φ = 520245504.

The previous prime is 1201263311. The next prime is 1201263341. The reversal of 1201263315 is 5133621021.

It is not a de Polignac number, because 1201263315 - 2² = 1201263311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201263311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299074 + ... + 303063.

It is an arithmetic number, because the mean of its divisors is an integer number (72256560).

Almost surely, 2^1201263315 is an apocalyptic number.

1201263315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201263315 is a deficient number, since it is larger than the sum of its proper divisors (1110946605).

1201263315 is a wasteful number, since it uses less digits than its factorization.

1201263315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602171.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1201263315 is about 34659.2457361669. The cubic root of 1201263315 is about 1063.0313474282.

Adding to 1201263315 its reverse (5133621021), we get a palindrome (6334884336).

The spelling of 1201263315 in words is "one billion, two hundred one million, two hundred sixty-three thousand, three hundred fifteen".