1214119900 has 72 divisors (see below), whose sum is σ = 3042228896. Its totient is φ = 411955200.

The previous prime is 1214119871. The next prime is 1214119903. The reversal of 1214119900 is 99114121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214119903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58960 + ... + 76840.

Almost surely, 2^1214119900 is an apocalyptic number.

1214119900 is a gapful number since it is divisible by the number (10) 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 1214119900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521114448).

1214119900 is an abundant number, since it is smaller than the sum of its proper divisors (1828108996).

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

1214119900 is a wasteful number, since it uses less digits than its factorization.

1214119900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17999 (or 17992 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1214119900 is about 34844.2233375921. The cubic root of 1214119900 is about 1066.8102812273.

It can be divided in two parts, 12141 and 19900, that added together give a square (32041 = 179²).

The spelling of 1214119900 in words is "one billion, two hundred fourteen million, one hundred nineteen thousand, nine hundred".