1214020434 has 32 divisors (see below), whose sum is σ = 2705135616. Its totient is φ = 360056720.

The previous prime is 1214020433. The next prime is 1214020453. The reversal of 1214020434 is 4340204121.

It is a super-2 number, since 2×1214020434² = 2947691228339096712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214020434.

It is not an unprimeable number, because it can be changed into a prime (1214020433) 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, 192582 + ... + 198785.

It is an arithmetic number, because the mean of its divisors is an integer number (84535488).

Almost surely, 2^1214020434 is an apocalyptic number.

1214020434 is an abundant number, since it is smaller than the sum of its proper divisors (1491115182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214020434 is a wasteful number, since it uses less digits than its factorization.

1214020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391430.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1214020434 is about 34842.7960129494. The cubic root of 1214020434 is about 1066.7811478473.

Adding to 1214020434 its reverse (4340204121), we get a palindrome (5554224555).

The spelling of 1214020434 in words is "one billion, two hundred fourteen million, twenty thousand, four hundred thirty-four".