1301532040 has 16 divisors (see below), whose sum is σ = 2928447180. Its totient is φ = 520612800.

The previous prime is 1301531989. The next prime is 1301532061. The reversal of 1301532040 is 402351031.

It can be written as a sum of positive squares in 2 ways, for example, as 1251885924 + 49646116 = 35382^2 + 7046^2 .

It is a super-2 number, since 2×1301532040² = 3387971302293123200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301531999 and 1301532017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16269111 + ... + 16269190.

Almost surely, 2^1301532040 is an apocalyptic number.

1301532040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301532040 is an abundant number, since it is smaller than the sum of its proper divisors (1626915140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301532040 is a wasteful number, since it uses less digits than its factorization.

1301532040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32538312 (or 32538308 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1301532040 is about 36076.7520711053. The cubic root of 1301532040 is about 1091.8214474577.

Adding to 1301532040 its reverse (402351031), we get a palindrome (1703883071).

The spelling of 1301532040 in words is "one billion, three hundred one million, five hundred thirty-two thousand, forty".