1301532123 has 8 divisors (see below), whose sum is σ = 1736027136. Its totient is φ = 867362600.

The previous prime is 1301532101. The next prime is 1301532139. The reversal of 1301532123 is 3212351031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301532123 - 2¹⁴ = 1301515739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301532123.

It is not an unprimeable number, because it can be changed into a prime (1301532163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71883 + ... + 88148.

It is an arithmetic number, because the mean of its divisors is an integer number (217003392).

Almost surely, 2^1301532123 is an apocalyptic number.

1301532123 is a deficient number, since it is larger than the sum of its proper divisors (434495013).

1301532123 is a wasteful number, since it uses less digits than its factorization.

1301532123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162745.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1301532123 is about 36076.7532214306. The cubic root of 1301532123 is about 1091.8214706665.

Adding to 1301532123 its reverse (3212351031), we get a palindrome (4513883154).

The spelling of 1301532123 in words is "one billion, three hundred one million, five hundred thirty-two thousand, one hundred twenty-three".