1011420254 has 16 divisors (see below), whose sum is σ = 1642394880. Its totient is φ = 464363040.

The previous prime is 1011420251. The next prime is 1011420257. The reversal of 1011420254 is 4520241101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011420251) and next prime (1011420257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011420251) 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, 96869 + ... + 106800.

It is an arithmetic number, because the mean of its divisors is an integer number (102649680).

Almost surely, 2^1011420254 is an apocalyptic number.

1011420254 is a deficient number, since it is larger than the sum of its proper divisors (630974626).

1011420254 is a wasteful number, since it uses less digits than its factorization.

1011420254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203875.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1011420254 is about 31802.8340561026. The cubic root of 1011420254 is about 1003.7923512251.

Adding to 1011420254 its reverse (4520241101), we get a palindrome (5531661355).

The spelling of 1011420254 in words is "one billion, eleven million, four hundred twenty thousand, two hundred fifty-four".