1249214386 has 16 divisors (see below), whose sum is σ = 2145274560. Its totient is φ = 534436560.

The previous prime is 1249214377. The next prime is 1249214419. The reversal of 1249214386 is 6834129421.

It is a super-3 number, since 3×1249214386³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70141 + ... + 86128.

It is an arithmetic number, because the mean of its divisors is an integer number (134079660).

Almost surely, 2^1249214386 is an apocalyptic number.

1249214386 is a deficient number, since it is larger than the sum of its proper divisors (896060174).

1249214386 is a wasteful number, since it uses less digits than its factorization.

1249214386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156849.

The product of its digits is 82944, while the sum is 40.

The square root of 1249214386 is about 35344.2270533676. The cubic root of 1249214386 is about 1076.9916238475.

The spelling of 1249214386 in words is "one billion, two hundred forty-nine million, two hundred fourteen thousand, three hundred eighty-six".