1051015342120 has 64 divisors (see below), whose sum is σ = 2406731019840. Its totient is φ = 412994880000.

The previous prime is 1051015342081. The next prime is 1051015342171. The reversal of 1051015342120 is 212435101501.

It is a super-2 number, since 2×1051015342120² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15915 + ... + 1449925.

It is an arithmetic number, because the mean of its divisors is an integer number (37605172185).

Almost surely, 2^{1051015342120} is an apocalyptic number.

1051015342120 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 1051015342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203365509920).

1051015342120 is an abundant number, since it is smaller than the sum of its proper divisors (1355715677720).

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

1051015342120 is a wasteful number, since it uses less digits than its factorization.

1051015342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434346 (or 1434342 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 1051015342120 in words is "one trillion, fifty-one billion, fifteen million, three hundred forty-two thousand, one hundred twenty".