1051022401 has 32 divisors (see below), whose sum is σ = 1262822400. Its totient is φ = 862121280.

The previous prime is 1051022381. The next prime is 1051022461. The reversal of 1051022401 is 1042201501.

It is a cyclic number.

It is not a de Polignac number, because 1051022401 - 2¹¹ = 1051020353 is a prime.

It is a super-2 number, since 2×1051022401² = 2209296174807609602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051022461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2927460 + ... + 2927818.

It is an arithmetic number, because the mean of its divisors is an integer number (39463200).

Almost surely, 2^1051022401 is an apocalyptic number.

1051022401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1051022401 is a deficient number, since it is larger than the sum of its proper divisors (211799999).

1051022401 is a wasteful number, since it uses less digits than its factorization.

1051022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1051022401 is about 32419.4756435079. The cubic root of 1051022401 is about 1016.7261433388.

Adding to 1051022401 its reverse (1042201501), we get a palindrome (2093223902).

Subtracting from 1051022401 its reverse (1042201501), we obtain a square (8820900 = 2970²).

The spelling of 1051022401 in words is "one billion, fifty-one million, twenty-two thousand, four hundred one".