1011005402 has 32 divisors (see below), whose sum is σ = 1760984064. Its totient is φ = 430220800.

The previous prime is 1011005393. The next prime is 1011005441. The reversal of 1011005402 is 2045001101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64358 + ... + 78510.

It is an arithmetic number, because the mean of its divisors is an integer number (55030752).

Almost surely, 2^1011005402 is an apocalyptic number.

1011005402 is a deficient number, since it is larger than the sum of its proper divisors (749978662).

1011005402 is a wasteful number, since it uses less digits than its factorization.

1011005402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1011005402 is about 31796.3111382437. The cubic root of 1011005402 is about 1003.6550913635.

Adding to 1011005402 its reverse (2045001101), we get a palindrome (3056006503).

The spelling of 1011005402 in words is "one billion, eleven million, five thousand, four hundred two".