1260023146 has 8 divisors (see below), whose sum is σ = 1955208420. Its totient is φ = 608287008.

The previous prime is 1260023131. The next prime is 1260023161. The reversal of 1260023146 is 6413200621.

It is an interprime number because it is at equal distance from previous prime (1260023131) and next prime (1260023161).

It can be written as a sum of positive squares in 2 ways, for example, as 1169982025 + 90041121 = 34205^2 + 9489^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1260023146.

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, 10862211 + ... + 10862326.

Almost surely, 2^1260023146 is an apocalyptic number.

1260023146 is a deficient number, since it is larger than the sum of its proper divisors (695185274).

1260023146 is a wasteful number, since it uses less digits than its factorization.

1260023146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21724568.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1260023146 is about 35496.8047294401. The cubic root of 1260023146 is about 1080.0889118616.

Adding to 1260023146 its reverse (6413200621), we get a palindrome (7673223767).

The spelling of 1260023146 in words is "one billion, two hundred sixty million, twenty-three thousand, one hundred forty-six".