1375476120 has 256 divisors, whose sum is σ = 5111424000. Its totient is φ = 326965248.

The previous prime is 1375476049. The next prime is 1375476121. The reversal of 1375476120 is 216745731.

It is a happy number.

1375476120 is a `hidden beast` number, since 1 + 37 + 5 + 4 + 7 + 612 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375476121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 346869 + ... + 350811.

It is an arithmetic number, because the mean of its divisors is an integer number (19966500).

Almost surely, 2^1375476120 is an apocalyptic number.

1375476120 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 1375476120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555712000).

1375476120 is an abundant number, since it is smaller than the sum of its proper divisors (3735947880).

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

1375476120 is a wasteful number, since it uses less digits than its factorization.

1375476120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1375476120 is about 37087.4118805829. The cubic root of 1375476120 is about 1112.1183797337.

The spelling of 1375476120 in words is "one billion, three hundred seventy-five million, four hundred seventy-six thousand, one hundred twenty".