1011400424 has 8 divisors (see below), whose sum is σ = 1896375810. Its totient is φ = 505700208.

The previous prime is 1011400393. The next prime is 1011400477. The reversal of 1011400424 is 4240041101.

It can be written as a sum of positive squares in only one way, i.e., 832322500 + 179077924 = 28850^2 + 13382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63212519 + ... + 63212534.

Almost surely, 2^1011400424 is an apocalyptic number.

It is an amenable number.

1011400424 is a deficient number, since it is larger than the sum of its proper divisors (884975386).

1011400424 is a wasteful number, since it uses less digits than its factorization.

1011400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126425059 (or 126425055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1011400424 is about 31802.5222899065. The cubic root of 1011400424 is about 1003.7857910333.

Adding to 1011400424 its reverse (4240041101), we get a palindrome (5251441525).

The spelling of 1011400424 in words is "one billion, eleven million, four hundred thousand, four hundred twenty-four".