1214530520 has 32 divisors (see below), whose sum is σ = 3123079200. Its totient is φ = 416410368.

The previous prime is 1214530519. The next prime is 1214530523. The reversal of 1214530520 is 250354121.

It is a super-2 number, since 2×1214530520² = 2950168768022940800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214530523) 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, 2168525 + ... + 2169084.

It is an arithmetic number, because the mean of its divisors is an integer number (97596225).

Almost surely, 2^1214530520 is an apocalyptic number.

1214530520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214530520 is an abundant number, since it is smaller than the sum of its proper divisors (1908548680).

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

1214530520 is a wasteful number, since it uses less digits than its factorization.

1214530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337627 (or 4337623 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1214530520 is about 34850.1150643725. The cubic root of 1214530520 is about 1066.9305341126.

Adding to 1214530520 its reverse (250354121), we get a palindrome (1464884641).

The spelling of 1214530520 in words is "one billion, two hundred fourteen million, five hundred thirty thousand, five hundred twenty".