1042202401 has 4 divisors (see below), whose sum is σ = 1049700400. Its totient is φ = 1034704404.

The previous prime is 1042202327. The next prime is 1042202431. The reversal of 1042202401 is 1042022401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1042022401 = 7 ⋅148860343.

It is a cyclic number.

It is not a de Polignac number, because 1042202401 - 2²¹ = 1040105249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042202431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748791 + ... + 3749068.

It is an arithmetic number, because the mean of its divisors is an integer number (262425100).

Almost surely, 2^1042202401 is an apocalyptic number.

It is an amenable number.

1042202401 is a deficient number, since it is larger than the sum of its proper divisors (7497999).

1042202401 is an equidigital number, since it uses as much as digits as its factorization.

1042202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497998.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1042202401 is about 32283.1597121471. The cubic root of 1042202401 is about 1013.8740865145.

Adding to 1042202401 its reverse (1042022401), we get a palindrome (2084224802).

The spelling of 1042202401 in words is "one billion, forty-two million, two hundred two thousand, four hundred one".