1214507770 has 64 divisors (see below), whose sum is σ = 2587852800. Its totient is φ = 401590080.

The previous prime is 1214507747. The next prime is 1214507807. The reversal of 1214507770 is 777054121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778251 + ... + 779809.

It is an arithmetic number, because the mean of its divisors is an integer number (40435200).

Almost surely, 2^1214507770 is an apocalyptic number.

1214507770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214507770 is an abundant number, since it is smaller than the sum of its proper divisors (1373345030).

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

1214507770 is a wasteful number, since it uses less digits than its factorization.

1214507770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 1214507770 is about 34849.7886650694. The cubic root of 1214507770 is about 1066.9238723282.

The spelling of 1214507770 in words is "one billion, two hundred fourteen million, five hundred seven thousand, seven hundred seventy".