1214420409 has 12 divisors (see below), whose sum is σ = 1757376816. Its totient is φ = 808130232.

The previous prime is 1214420407. The next prime is 1214420419. The reversal of 1214420409 is 9040244121.

It is a happy number.

1214420409 is a `hidden beast` number, since 1 + 214 + 42 + 0 + 409 = 666.

It is not a de Polignac number, because 1214420409 - 2¹ = 1214420407 is a prime.

It is a super-3 number, since 3×1214420409³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214420407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118419 + ... + 128264.

It is an arithmetic number, because the mean of its divisors is an integer number (146448068).

Almost surely, 2^1214420409 is an apocalyptic number.

It is an amenable number.

1214420409 is a deficient number, since it is larger than the sum of its proper divisors (542956407).

1214420409 is a wasteful number, since it uses less digits than its factorization.

1214420409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247236 (or 247233 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1214420409 is about 34848.5352489886. The cubic root of 1214420409 is about 1066.8982900104.

The spelling of 1214420409 in words is "one billion, two hundred fourteen million, four hundred twenty thousand, four hundred nine".