40121050 has 12 divisors (see below), whose sum is σ = 74625246. Its totient is φ = 16048400.

The previous prime is 40121023. The next prime is 40121057. The reversal of 40121050 is 5012104.

It can be written as a sum of positive squares in 3 ways, for example, as 37368769 + 2752281 = 6113^2 + 1659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40121050.

It is not an unprimeable number, because it can be changed into a prime (40121057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401161 + ... + 401260.

Almost surely, 2^40121050 is an apocalyptic number.

40121050 is a deficient number, since it is larger than the sum of its proper divisors (34504196).

40121050 is a wasteful number, since it uses less digits than its factorization.

40121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802433 (or 802428 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 40121050 is about 6334.1179338563. The cubic root of 40121050 is about 342.3398295602.

Adding to 40121050 its reverse (5012104), we get a palindrome (45133154).

The spelling of 40121050 in words is "forty million, one hundred twenty-one thousand, fifty".