1214059931 has 4 divisors (see below), whose sum is σ = 1387497072. Its totient is φ = 1040622792.

The previous prime is 1214059927. The next prime is 1214059943. The reversal of 1214059931 is 1399504121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1399504121 = 4951 ⋅282671.

It is a cyclic number.

It is not a de Polignac number, because 1214059931 - 2² = 1214059927 is a prime.

It is a super-2 number, since 2×1214059931² = 2947883032119449522, 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 = 1214059891 and 1214059900.

It is not an unprimeable number, because it can be changed into a prime (1214059031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86718560 + ... + 86718573.

It is an arithmetic number, because the mean of its divisors is an integer number (346874268).

Almost surely, 2^1214059931 is an apocalyptic number.

1214059931 is a deficient number, since it is larger than the sum of its proper divisors (173437141).

1214059931 is an equidigital number, since it uses as much as digits as its factorization.

1214059931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173437140.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1214059931 is about 34843.3627969517. The cubic root of 1214059931 is about 1066.7927166251.

The spelling of 1214059931 in words is "one billion, two hundred fourteen million, fifty-nine thousand, nine hundred thirty-one".