1012126451 has 8 divisors (see below), whose sum is σ = 1184928864. Its totient is φ = 846377280.

The previous prime is 1012126439. The next prime is 1012126459. The reversal of 1012126451 is 1546212101.

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

It is not a de Polignac number, because 1012126451 - 2¹⁰ = 1012125427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012126459) 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, 1763000 + ... + 1763573.

It is an arithmetic number, because the mean of its divisors is an integer number (148116108).

Almost surely, 2^1012126451 is an apocalyptic number.

1012126451 is a deficient number, since it is larger than the sum of its proper divisors (172802413).

1012126451 is an equidigital number, since it uses as much as digits as its factorization.

1012126451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526621.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1012126451 is about 31813.9348556572. The cubic root of 1012126451 is about 1004.0259205463.

Adding to 1012126451 its reverse (1546212101), we get a palindrome (2558338552).

The spelling of 1012126451 in words is "one billion, twelve million, one hundred twenty-six thousand, four hundred fifty-one".