501401029 has 12 divisors (see below), whose sum is σ = 520834348. Its totient is φ = 482688120.

The previous prime is 501400993. The next prime is 501401053. The reversal of 501401029 is 920104105.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 380445025 = 10998^2 + 19505^2 .

It is not a de Polignac number, because 501401029 - 2⁷ = 501400901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501401129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8219659 + ... + 8219719.

Almost surely, 2^501401029 is an apocalyptic number.

It is an amenable number.

501401029 is a deficient number, since it is larger than the sum of its proper divisors (19433319).

501401029 is an frugal number, since it uses more digits than its factorization.

501401029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 501401029 is about 22391.9858208244. The cubic root of 501401029 is about 794.4411662780.

The spelling of 501401029 in words is "five hundred one million, four hundred one thousand, twenty-nine".