1214949400 has 96 divisors (see below), whose sum is σ = 3243363840. Its totient is φ = 414610560.

The previous prime is 1214949361. The next prime is 1214949409. The reversal of 1214949400 is 49494121.

It is a super-2 number, since 2×1214949400² = 2952204089120720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214949409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315889 + ... + 319711.

It is an arithmetic number, because the mean of its divisors is an integer number (33785040).

Almost surely, 2^1214949400 is an apocalyptic number.

1214949400 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 1214949400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621681920).

1214949400 is an abundant number, since it is smaller than the sum of its proper divisors (2028414440).

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

1214949400 is a wasteful number, since it uses less digits than its factorization.

1214949400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1214949400 is about 34856.1242825418. The cubic root of 1214949400 is about 1067.0531780713.

The spelling of 1214949400 in words is "one billion, two hundred fourteen million, nine hundred forty-nine thousand, four hundred".