1540121050 has 48 divisors (see below), whose sum is σ = 3089802240. Its totient is φ = 567771840.

The previous prime is 1540121039. The next prime is 1540121081. The reversal of 1540121050 is 501210451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533511 + ... + 536389.

It is an arithmetic number, because the mean of its divisors is an integer number (64370880).

Almost surely, 2^1540121050 is an apocalyptic number.

1540121050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540121050 is an abundant number, since it is smaller than the sum of its proper divisors (1549681190).

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

1540121050 is a wasteful number, since it uses less digits than its factorization.

1540121050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3722 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1540121050 is about 39244.3760302034. The cubic root of 1540121050 is about 1154.8306067677.

The spelling of 1540121050 in words is "one billion, five hundred forty million, one hundred twenty-one thousand, fifty".