1499212345 has 16 divisors (see below), whose sum is σ = 1845089280. Its totient is φ = 1168896064.

The previous prime is 1499212343. The next prime is 1499212369. The reversal of 1499212345 is 5432129941.

It is a cyclic number.

It is not a de Polignac number, because 1499212345 - 2¹ = 1499212343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1499212298 and 1499212307.

It is not an unprimeable number, because it can be changed into a prime (1499212343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42819 + ... + 69511.

It is an arithmetic number, because the mean of its divisors is an integer number (115318080).

Almost surely, 2^1499212345 is an apocalyptic number.

It is an amenable number.

1499212345 is a deficient number, since it is larger than the sum of its proper divisors (345876935).

1499212345 is a wasteful number, since it uses less digits than its factorization.

1499212345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26984.

The product of its digits is 77760, while the sum is 40.

The square root of 1499212345 is about 38719.6635445093. The cubic root of 1499212345 is about 1144.5138430509.

The spelling of 1499212345 in words is "one billion, four hundred ninety-nine million, two hundred twelve thousand, three hundred forty-five".