1214423551 has 8 divisors (see below), whose sum is σ = 1394553600. Its totient is φ = 1045914840.

The previous prime is 1214423533. The next prime is 1214423557. The reversal of 1214423551 is 1553244121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214423551 - 2⁵ = 1214423519 is a prime.

It is a super-2 number, since 2×1214423551² = 2949649122446899202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214423557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905111 + ... + 2905528.

It is an arithmetic number, because the mean of its divisors is an integer number (174319200).

Almost surely, 2^1214423551 is an apocalyptic number.

1214423551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1214423551 is a deficient number, since it is larger than the sum of its proper divisors (180130049).

1214423551 is a wasteful number, since it uses less digits than its factorization.

1214423551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810669.

The product of its digits is 4800, while the sum is 28.

The square root of 1214423551 is about 34848.5803297638. The cubic root of 1214423551 is about 1066.8992101178.

Adding to 1214423551 its reverse (1553244121), we get a palindrome (2767667672).

The spelling of 1214423551 in words is "one billion, two hundred fourteen million, four hundred twenty-three thousand, five hundred fifty-one".