1040152231 has 4 divisors (see below), whose sum is σ = 1049357232. Its totient is φ = 1030947232.

The previous prime is 1040152219. The next prime is 1040152249. The reversal of 1040152231 is 1322510401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040152231 - 2²¹ = 1038055079 is a prime.

It is a super-2 number, since 2×1040152231² = 2163833327308554722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040152199 and 1040152208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040152291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4602331 + ... + 4602556.

It is an arithmetic number, because the mean of its divisors is an integer number (262339308).

Almost surely, 2^1040152231 is an apocalyptic number.

1040152231 is a deficient number, since it is larger than the sum of its proper divisors (9205001).

1040152231 is an equidigital number, since it uses as much as digits as its factorization.

1040152231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205000.

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

The square root of 1040152231 is about 32251.3911482900. The cubic root of 1040152231 is about 1013.2088354690.

Adding to 1040152231 its reverse (1322510401), we get a palindrome (2362662632).

The spelling of 1040152231 in words is "one billion, forty million, one hundred fifty-two thousand, two hundred thirty-one".