1214542550 has 24 divisors (see below), whose sum is σ = 2432823456. Its totient is φ = 448446240.

The previous prime is 1214542523. The next prime is 1214542559. The reversal of 1214542550 is 552454121.

It is a super-2 number, since 2×1214542550² = 2950227211521005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214542559) 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, 933614 + ... + 934913.

It is an arithmetic number, because the mean of its divisors is an integer number (101367644).

Almost surely, 2^1214542550 is an apocalyptic number.

1214542550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214542550 is an abundant number, since it is smaller than the sum of its proper divisors (1218280906).

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

1214542550 is a wasteful number, since it uses less digits than its factorization.

1214542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868552 (or 1868547 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1214542550 is about 34850.2876602188. The cubic root of 1214542550 is about 1066.9340567719.

Adding to 1214542550 its reverse (552454121), we get a palindrome (1766996671).

The spelling of 1214542550 in words is "one billion, two hundred fourteen million, five hundred forty-two thousand, five hundred fifty".