1011402461 has 8 divisors (see below), whose sum is σ = 1018094880. Its totient is φ = 1004720112.

The previous prime is 1011402421. The next prime is 1011402467. The reversal of 1011402461 is 1642041101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011402461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011402467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375626 + ... + 378308.

It is an arithmetic number, because the mean of its divisors is an integer number (127261860).

Almost surely, 2^1011402461 is an apocalyptic number.

It is an amenable number.

1011402461 is a deficient number, since it is larger than the sum of its proper divisors (6692419).

1011402461 is a wasteful number, since it uses less digits than its factorization.

1011402461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1011402461 is about 31802.5543156521. The cubic root of 1011402461 is about 1003.7864649208.

Adding to 1011402461 its reverse (1642041101), we get a palindrome (2653443562).

The spelling of 1011402461 in words is "one billion, eleven million, four hundred two thousand, four hundred sixty-one".