1351275120 has 240 divisors, whose sum is σ = 5045843712. Its totient is φ = 321822720.

The previous prime is 1351275103. The next prime is 1351275137. The reversal of 1351275120 is 215721531.

1351275120 is a `hidden beast` number, since 135 + 12 + 7 + 512 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1351275103) and next prime (1351275137).

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287832 + ... + 292488.

Almost surely, 2^1351275120 is an apocalyptic number.

1351275120 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 1351275120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522921856).

1351275120 is an abundant number, since it is smaller than the sum of its proper divisors (3694568592).

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

1351275120 is a wasteful number, since it uses less digits than its factorization.

1351275120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720 (or 4711 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1351275120 is about 36759.6942315901. The cubic root of 1351275120 is about 1105.5573091486.

Adding to 1351275120 its reverse (215721531), we get a palindrome (1566996651).

The spelling of 1351275120 in words is "one billion, three hundred fifty-one million, two hundred seventy-five thousand, one hundred twenty".