1002405051 has 40 divisors (see below), whose sum is σ = 1607991264. Its totient is φ = 620040960.

The previous prime is 1002405013. The next prime is 1002405091. The reversal of 1002405051 is 1505042001.

It is not a de Polignac number, because 1002405051 - 2⁹ = 1002404539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002405011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92641 + ... + 102893.

Almost surely, 2^1002405051 is an apocalyptic number.

1002405051 is a deficient number, since it is larger than the sum of its proper divisors (605586213).

1002405051 is a wasteful number, since it uses less digits than its factorization.

1002405051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353 (or 10344 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1002405051 is about 31660.7809600458. The cubic root of 1002405051 is about 1000.8010418273.

Adding to 1002405051 its reverse (1505042001), we get a palindrome (2507447052).

The spelling of 1002405051 in words is "one billion, two million, four hundred five thousand, fifty-one".