1050126451621 has 64 divisors (see below), whose sum is σ = 1227153328128. Its totient is φ = 890038222848.

The previous prime is 1050126451589. The next prime is 1050126451651. The reversal of 1050126451621 is 1261546210501.

It is a cyclic number.

It is not a de Polignac number, because 1050126451621 - 2⁵ = 1050126451589 is a prime.

It is a super-2 number, since 2×1050126451621² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050126451651) 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, 511507231 + ... + 511509283.

It is an arithmetic number, because the mean of its divisors is an integer number (19174270752).

Almost surely, 2^{1050126451621} is an apocalyptic number.

It is an amenable number.

1050126451621 is a deficient number, since it is larger than the sum of its proper divisors (177026876507).

1050126451621 is a wasteful number, since it uses less digits than its factorization.

1050126451621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 1050126451621 in words is "one trillion, fifty billion, one hundred twenty-six million, four hundred fifty-one thousand, six hundred twenty-one".