1214450172 has 240 divisors, whose sum is σ = 3606349824. Its totient is φ = 353808000.

The previous prime is 1214450147. The next prime is 1214450179. The reversal of 1214450172 is 2710544121.

1214450172 is a `hidden beast` number, since 12 + 144 + 501 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214450179) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9270547 + ... + 9270677.

Almost surely, 2^1214450172 is an apocalyptic number.

1214450172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214450172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803174912).

1214450172 is an abundant number, since it is smaller than the sum of its proper divisors (2391899652).

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

1214450172 is a wasteful number, since it uses less digits than its factorization.

1214450172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1214450172 is about 34848.9622801024. The cubic root of 1214450172 is about 1066.9070057825.

Adding to 1214450172 its reverse (2710544121), we get a palindrome (3924994293).

The spelling of 1214450172 in words is "one billion, two hundred fourteen million, four hundred fifty thousand, one hundred seventy-two".