1042401129 has 48 divisors (see below), whose sum is σ = 1762129920. Its totient is φ = 532415520.

The previous prime is 1042401083. The next prime is 1042401131. The reversal of 1042401129 is 9211042401.

It is not a de Polignac number, because 1042401129 - 2⁹ = 1042400617 is a prime.

It is a super-2 number, since 2×1042401129² = 2173200227480949282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042401099 and 1042401108.

It is not an unprimeable number, because it can be changed into a prime (1042401149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4361392 + ... + 4361630.

It is an arithmetic number, because the mean of its divisors is an integer number (36711040).

Almost surely, 2^1042401129 is an apocalyptic number.

It is an amenable number.

1042401129 is a deficient number, since it is larger than the sum of its proper divisors (719728791).

1042401129 is an equidigital number, since it uses as much as digits as its factorization.

1042401129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1042401129 is about 32286.2374549900. The cubic root of 1042401129 is about 1013.9385245303.

The spelling of 1042401129 in words is "one billion, forty-two million, four hundred one thousand, one hundred twenty-nine".