1241992085 has 8 divisors (see below), whose sum is σ = 1499006520. Its totient is φ = 987849664.

The previous prime is 1241992043. The next prime is 1241992097. The reversal of 1241992085 is 5802991421.

It can be written as a sum of positive squares in 4 ways, for example, as 802418929 + 439573156 = 28327^2 + 20966^2 .

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 1241992085 - 2¹⁶ = 1241926549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717050 + ... + 718779.

It is an arithmetic number, because the mean of its divisors is an integer number (187375815).

Almost surely, 2^1241992085 is an apocalyptic number.

It is an amenable number.

1241992085 is a deficient number, since it is larger than the sum of its proper divisors (257014435).

1241992085 is a wasteful number, since it uses less digits than its factorization.

1241992085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436007.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1241992085 is about 35241.9080783093. The cubic root of 1241992085 is about 1074.9120779003.

The spelling of 1241992085 in words is "one billion, two hundred forty-one million, nine hundred ninety-two thousand, eighty-five".