1214023040 has 128 divisors (see below), whose sum is σ = 3092411520. Its totient is φ = 454164480.

The previous prime is 1214023001. The next prime is 1214023061. The reversal of 1214023040 is 403204121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621849 + ... + 2622311.

It is an arithmetic number, because the mean of its divisors is an integer number (24159465).

Almost surely, 2^1214023040 is an apocalyptic number.

1214023040 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 1214023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546205760).

1214023040 is an abundant number, since it is smaller than the sum of its proper divisors (1878388480).

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

1214023040 is a wasteful number, since it uses less digits than its factorization.

1214023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1214023040 is about 34842.8334094689. The cubic root of 1214023040 is about 1066.7819111595.

Adding to 1214023040 its reverse (403204121), we get a palindrome (1617227161).

The spelling of 1214023040 in words is "one billion, two hundred fourteen million, twenty-three thousand, forty".