1012532401 has 4 divisors (see below), whose sum is σ = 1065823600. Its totient is φ = 959241204.

The previous prime is 1012532387. The next prime is 1012532413. The reversal of 1012532401 is 1042352101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1042352101 = 7 ⋅148907443.

It is a cyclic number.

It is not a de Polignac number, because 1012532401 - 2⁵ = 1012532369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 53291179 = 1012532401 / (1 + 0 + 1 + 2 + 5 + 3 + 2 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012532471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26645571 + ... + 26645608.

It is an arithmetic number, because the mean of its divisors is an integer number (266455900).

Almost surely, 2^1012532401 is an apocalyptic number.

It is an amenable number.

1012532401 is a deficient number, since it is larger than the sum of its proper divisors (53291199).

1012532401 is an equidigital number, since it uses as much as digits as its factorization.

1012532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53291198.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1012532401 is about 31820.3142819175. The cubic root of 1012532401 is about 1004.1601362668.

Adding to 1012532401 its reverse (1042352101), we get a palindrome (2054884502).

The spelling of 1012532401 in words is "one billion, twelve million, five hundred thirty-two thousand, four hundred one".