1214082757 has 4 divisors (see below), whose sum is σ = 1214469760. Its totient is φ = 1213695756.

The previous prime is 1214082719. The next prime is 1214082763. The reversal of 1214082757 is 7572804121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214082757 - 2¹¹ = 1214080709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214182757) 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, 188757 + ... + 195082.

It is an arithmetic number, because the mean of its divisors is an integer number (303617440).

Almost surely, 2^1214082757 is an apocalyptic number.

It is an amenable number.

1214082757 is a deficient number, since it is larger than the sum of its proper divisors (387003).

1214082757 is an equidigital number, since it uses as much as digits as its factorization.

1214082757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387002.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 1214082757 is about 34843.6903470341. The cubic root of 1214082757 is about 1066.7994023077.

Adding to 1214082757 its reverse (7572804121), we get a palindrome (8786886878).

The spelling of 1214082757 in words is "one billion, two hundred fourteen million, eighty-two thousand, seven hundred fifty-seven".